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        Module&nbsp;wsgi_http
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<h1 class="epydoc">Source Code for <a href="wsgi_http-module.html">Module wsgi_http</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-docstring">Database server runs via HTTP</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-docstring">released under New BSD License</tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-docstring">Author(s): Deepak&lt;iapain@gmail.com&gt;, Tomas&lt;tomas@cactilio.com&gt;</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">sys</tt> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">getopt</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt id="link-0" class="py-name" targets="Module urllib2_file=urllib2_file-module.html"><a title="urllib2_file" class="py-name" href="#" onclick="return doclink('link-0', 'urllib2_file', 'link-0');">urllib2_file</a></tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">urllib2</tt><tt class="py-op">,</tt> <tt class="py-name">urllib</tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt id="link-1" class="py-name" targets="Package simplejson=simplejson-module.html"><a title="simplejson" class="py-name" href="#" onclick="return doclink('link-1', 'simplejson', 'link-1');">simplejson</a></tt> <tt class="py-keyword">as</tt> <tt class="py-name">json</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">collections</tt> <tt class="py-keyword">import</tt> <tt class="py-name">deque</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">wsgiref</tt> <tt class="py-keyword">import</tt> <tt class="py-name">simple_server</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-2" class="py-name" targets="Module settings=settings-module.html"><a title="settings" class="py-name" href="#" onclick="return doclink('link-2', 'settings', 'link-2');">settings</a></tt> <tt class="py-keyword">import</tt> <tt class="py-op">*</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">random</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">sqlite3</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">time</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">thread</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">cgi</tt> <tt class="py-keyword">import</tt> <tt class="py-name">parse_qsl</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">cgi</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">shutil</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">cStringIO</tt> <tt class="py-keyword">import</tt> <tt class="py-name">StringIO</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt id="link-3" class="py-name" targets="Variable wsgi_http.APP_NAME=wsgi_http-module.html#APP_NAME"><a title="wsgi_http.APP_NAME" class="py-name" href="#" onclick="return doclink('link-3', 'APP_NAME', 'link-3');">APP_NAME</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'aydabtu'</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"><tt id="link-4" class="py-name" targets="Variable wsgi_http.APP_VERSION=wsgi_http-module.html#APP_VERSION"><a title="wsgi_http.APP_VERSION" class="py-name" href="#" onclick="return doclink('link-4', 'APP_VERSION', 'link-4');">APP_VERSION</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'0.1'</tt> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"><tt id="link-5" class="py-name" targets="Variable wsgi_http.USER_AGENT=wsgi_http-module.html#USER_AGENT"><a title="wsgi_http.USER_AGENT" class="py-name" href="#" onclick="return doclink('link-5', 'USER_AGENT', 'link-5');">USER_AGENT</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'%s/%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt id="link-6" class="py-name"><a title="wsgi_http.APP_NAME" class="py-name" href="#" onclick="return doclink('link-6', 'APP_NAME', 'link-3');">APP_NAME</a></tt><tt class="py-op">,</tt> <tt id="link-7" class="py-name"><a title="wsgi_http.APP_VERSION" class="py-name" href="#" onclick="return doclink('link-7', 'APP_VERSION', 'link-4');">APP_VERSION</a></tt><tt class="py-op">)</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line"><tt id="link-8" class="py-name" targets="Variable wsgi_http.MAX_RNEIGHBOURS=wsgi_http-module.html#MAX_RNEIGHBOURS"><a title="wsgi_http.MAX_RNEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-8', 'MAX_RNEIGHBOURS', 'link-8');">MAX_RNEIGHBOURS</a></tt> <tt class="py-op">=</tt> <tt class="py-number">2</tt> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"><tt id="link-9" class="py-name" targets="Variable wsgi_http.MAX_SNEIGHBOURS=wsgi_http-module.html#MAX_SNEIGHBOURS"><a title="wsgi_http.MAX_SNEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-9', 'MAX_SNEIGHBOURS', 'link-9');">MAX_SNEIGHBOURS</a></tt> <tt class="py-op">=</tt> <tt id="link-10" class="py-name"><a title="wsgi_http.MAX_RNEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-10', 'MAX_RNEIGHBOURS', 'link-8');">MAX_RNEIGHBOURS</a></tt> <tt class="py-op">*</tt> <tt class="py-number">2</tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line"><tt id="link-11" class="py-name" targets="Variable wsgi_http.MAX_NEIGHBOURS=wsgi_http-module.html#MAX_NEIGHBOURS"><a title="wsgi_http.MAX_NEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-11', 'MAX_NEIGHBOURS', 'link-11');">MAX_NEIGHBOURS</a></tt> <tt class="py-op">=</tt> <tt id="link-12" class="py-name"><a title="wsgi_http.MAX_RNEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-12', 'MAX_RNEIGHBOURS', 'link-8');">MAX_RNEIGHBOURS</a></tt> <tt class="py-op">+</tt> <tt id="link-13" class="py-name"><a title="wsgi_http.MAX_SNEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-13', 'MAX_SNEIGHBOURS', 'link-9');">MAX_SNEIGHBOURS</a></tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line"><tt id="link-14" class="py-name" targets="Variable wsgi_http.SQL_QUEUE=wsgi_http-module.html#SQL_QUEUE"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-14', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line"> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line"><tt id="link-15" class="py-name" targets="Variable wsgi_http.random_neighbors=wsgi_http-module.html#random_neighbors"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-15', 'random_neighbors', 'link-15');">random_neighbors</a></tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line"><tt id="link-16" class="py-name" targets="Variable wsgi_http.similar_neighbors=wsgi_http-module.html#similar_neighbors"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-16', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line"><tt id="link-17" class="py-name" targets="Variable wsgi_http.active_nodes_pool=wsgi_http-module.html#active_nodes_pool"><a title="wsgi_http.active_nodes_pool" class="py-name" href="#" onclick="return doclink('link-17', 'active_nodes_pool', 'link-17');">active_nodes_pool</a></tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line"> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line"><tt id="link-18" class="py-name" targets="Variable wsgi_http.port=wsgi_http-module.html#port"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-18', 'port', 'link-18');">port</a></tt> <tt class="py-op">=</tt> <tt id="link-19" class="py-name" targets="Variable settings.DEFAULT_PORT=settings-module.html#DEFAULT_PORT,Variable wsgi_http.DEFAULT_PORT=wsgi_http-module.html#DEFAULT_PORT"><a title="settings.DEFAULT_PORT
wsgi_http.DEFAULT_PORT" class="py-name" href="#" onclick="return doclink('link-19', 'DEFAULT_PORT', 'link-19');">DEFAULT_PORT</a></tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line"><tt id="link-20" class="py-name" targets="Variable wsgi_http.utility=wsgi_http-module.html#utility"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-20', 'utility', 'link-20');">utility</a></tt> <tt class="py-op">=</tt> <tt id="link-21" class="py-name" targets="Variable settings.DEFAULT_UTILITY=settings-module.html#DEFAULT_UTILITY,Variable wsgi_http.DEFAULT_UTILITY=wsgi_http-module.html#DEFAULT_UTILITY"><a title="settings.DEFAULT_UTILITY
wsgi_http.DEFAULT_UTILITY" class="py-name" href="#" onclick="return doclink('link-21', 'DEFAULT_UTILITY', 'link-21');">DEFAULT_UTILITY</a></tt>  </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line"><tt id="link-22" class="py-name" targets="Variable wsgi_http.role=wsgi_http-module.html#role"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-22', 'role', 'link-22');">role</a></tt> <tt class="py-op">=</tt> <tt class="py-string">"dumb"</tt> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line"><tt id="link-23" class="py-name" targets="Variable wsgi_http.address=wsgi_http-module.html#address"><a title="wsgi_http.address" class="py-name" href="#" onclick="return doclink('link-23', 'address', 'link-23');">address</a></tt> <tt class="py-op">=</tt> <tt id="link-24" class="py-name" targets="Variable settings.DEFAULT_HOST=settings-module.html#DEFAULT_HOST,Variable wsgi_http.DEFAULT_HOST=wsgi_http-module.html#DEFAULT_HOST"><a title="settings.DEFAULT_HOST
wsgi_http.DEFAULT_HOST" class="py-name" href="#" onclick="return doclink('link-24', 'DEFAULT_HOST', 'link-24');">DEFAULT_HOST</a></tt> </tt>
<a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line"><tt id="link-25" class="py-name" targets="Variable wsgi_http.read_identifiers=wsgi_http-module.html#read_identifiers"><a title="wsgi_http.read_identifiers" class="py-name" href="#" onclick="return doclink('link-25', 'read_identifiers', 'link-25');">read_identifiers</a></tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-string">'insert'</tt><tt class="py-op">,</tt> <tt class="py-string">'create'</tt><tt class="py-op">,</tt> <tt class="py-string">'delete'</tt><tt class="py-op">,</tt> <tt class="py-string">'drop'</tt><tt class="py-op">,</tt> <tt class="py-string">'alter'</tt><tt class="py-op">]</tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line"> </tt>
<a name="DeadNodeFoundException"></a><div id="DeadNodeFoundException-def"><a name="L43"></a><tt class="py-lineno"> 43</tt> <a class="py-toggle" href="#" id="DeadNodeFoundException-toggle" onclick="return toggle('DeadNodeFoundException');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="wsgi_http.DeadNodeFoundException-class.html">DeadNodeFoundException</a><tt class="py-op">(</tt><tt class="py-base-class">Exception</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="DeadNodeFoundException-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="DeadNodeFoundException-expanded"><a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line">    <tt class="py-keyword">pass</tt> </tt>
</div><a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line"> </tt>
<a name="URLError"></a><div id="URLError-def"><a name="L46"></a><tt class="py-lineno"> 46</tt> <a class="py-toggle" href="#" id="URLError-toggle" onclick="return toggle('URLError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="wsgi_http.URLError-class.html">URLError</a><tt class="py-op">(</tt><tt class="py-base-class">Exception</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="URLError-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="URLError-expanded"><a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line">    <tt class="py-keyword">pass</tt> </tt>
</div><a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line"> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line"> </tt>
<a name="is_read_only"></a><div id="is_read_only-def"><a name="L50"></a><tt class="py-lineno"> 50</tt> <a class="py-toggle" href="#" id="is_read_only-toggle" onclick="return toggle('is_read_only');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#is_read_only">is_read_only</a><tt class="py-op">(</tt><tt class="py-param">sql</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="is_read_only-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="is_read_only-expanded"><a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line">    <tt class="py-docstring">"checks if sql is read only"</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line">    <tt class="py-name">sql</tt> <tt class="py-op">=</tt> <tt class="py-name">sql</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">lower</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">r</tt> <tt class="py-keyword">in</tt> <tt id="link-26" class="py-name"><a title="wsgi_http.read_identifiers" class="py-name" href="#" onclick="return doclink('link-26', 'read_identifiers', 'link-25');">read_identifiers</a></tt><tt class="py-op">:</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">sql</tt><tt class="py-op">.</tt><tt class="py-name">startswith</tt><tt class="py-op">(</tt><tt class="py-name">r</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">False</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">True</tt> </tt>
</div><a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line">     </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line"> </tt>
<a name="error"></a><div id="error-def"><a name="L59"></a><tt class="py-lineno"> 59</tt> <a class="py-toggle" href="#" id="error-toggle" onclick="return toggle('error');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#error">error</a><tt class="py-op">(</tt><tt class="py-param">msg</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="error-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="error-expanded"><a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">    <tt class="py-docstring">"Renders error msg in json"</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-27" class="py-name" targets="Function simplejson.dumps()=simplejson-module.html#dumps"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-27', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'stat'</tt><tt class="py-op">:</tt><tt class="py-string">'failed'</tt><tt class="py-op">,</tt> <tt class="py-string">'err'</tt><tt class="py-op">:</tt><tt class="py-name">msg</tt><tt class="py-op">,</tt> <tt class="py-string">'version'</tt><tt class="py-op">:</tt><tt id="link-28" class="py-name"><a title="wsgi_http.APP_VERSION" class="py-name" href="#" onclick="return doclink('link-28', 'APP_VERSION', 'link-4');">APP_VERSION</a></tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
</div><a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line"> </tt>
<a name="help_command"></a><div id="help_command-def"><a name="L63"></a><tt class="py-lineno"> 63</tt> <a class="py-toggle" href="#" id="help_command-toggle" onclick="return toggle('help_command');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#help_command">help_command</a><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="help_command-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="help_command-expanded"><a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">    <tt class="py-docstring">"Renders help msg"</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-29" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-29', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'stat'</tt><tt class="py-op">:</tt><tt class="py-string">'ok'</tt><tt class="py-op">,</tt> <tt class="py-string">'version'</tt><tt class="py-op">:</tt><tt id="link-30" class="py-name"><a title="wsgi_http.APP_VERSION" class="py-name" href="#" onclick="return doclink('link-30', 'APP_VERSION', 'link-4');">APP_VERSION</a></tt><tt class="py-op">,</tt> <tt class="py-string">'help'</tt><tt class="py-op">:</tt>\ </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">                       <tt class="py-string">'Use /query?q=sql there is a table called "stocks"'</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
</div><a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line"> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line"> </tt>
<a name="save_uploaded_file"></a><div id="save_uploaded_file-def"><a name="L69"></a><tt class="py-lineno"> 69</tt> <a class="py-toggle" href="#" id="save_uploaded_file-toggle" onclick="return toggle('save_uploaded_file');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#save_uploaded_file">save_uploaded_file</a> <tt class="py-op">(</tt><tt class="py-param">form_field</tt><tt class="py-op">,</tt> <tt class="py-param">params_post</tt><tt class="py-op">,</tt> <tt class="py-param">length</tt><tt class="py-op">,</tt> <tt class="py-param">upload_dir</tt><tt class="py-op">=</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">dirname</tt><tt class="py-op">(</tt><tt class="py-name">__file__</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="save_uploaded_file-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="save_uploaded_file-expanded"><a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line">    <tt class="py-docstring">"""This saves a file uploaded by an HTML form.</tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line"><tt class="py-docstring">       The form_field is the name of the file input field from the form.</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line"><tt class="py-docstring">       For example, the following form_field would be "file_1":</tt> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line"><tt class="py-docstring">           &lt;input name="file_1" type="file"&gt;</tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line"><tt class="py-docstring">       The upload_dir is the directory where the file will be written.</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line"><tt class="py-docstring">       If no file was uploaded or if the field does not exist then</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line"><tt class="py-docstring">       this does nothing.</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line">    <tt class="py-name">form</tt> <tt class="py-op">=</tt> <tt class="py-name">params_post</tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">form</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">form_field</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-keyword">return</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line">    <tt class="py-name">fileitem</tt> <tt class="py-op">=</tt> <tt class="py-name">form</tt><tt class="py-op">[</tt><tt class="py-name">form_field</tt><tt class="py-op">]</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">fileitem</tt><tt class="py-op">.</tt><tt class="py-name">file</tt><tt class="py-op">:</tt> <tt class="py-keyword">return</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">    <tt class="py-name">fout</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">fileitem</tt><tt class="py-op">.</tt><tt class="py-name">filename</tt><tt class="py-op">+</tt><tt class="py-string">".tmp"</tt><tt class="py-op">,</tt> <tt class="py-string">'wb'</tt><tt class="py-op">)</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">    <tt class="py-name">chunksize</tt> <tt class="py-op">=</tt> <tt class="py-number">65536</tt> <tt class="py-comment"># 64KB</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line">    <tt class="py-name">mem</tt> <tt class="py-op">=</tt> <tt class="py-name">StringIO</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">    <tt class="py-keyword">while</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">        <tt class="py-name">remain</tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">length</tt><tt class="py-op">)</tt> <tt class="py-op">-</tt> <tt class="py-name">mem</tt><tt class="py-op">.</tt><tt class="py-name">tell</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">        <tt class="py-keyword">print</tt> <tt class="py-name">remain</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">remain</tt> <tt class="py-op">&lt;=</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> <tt class="py-keyword">break</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">        <tt class="py-name">chunk</tt> <tt class="py-op">=</tt> <tt class="py-name">fileitem</tt><tt class="py-op">.</tt><tt class="py-name">file</tt><tt class="py-op">.</tt><tt id="link-31" class="py-name" targets="Function simplejson.read()=simplejson-module.html#read"><a title="simplejson.read" class="py-name" href="#" onclick="return doclink('link-31', 'read', 'link-31');">read</a></tt><tt class="py-op">(</tt><tt class="py-name">min</tt><tt class="py-op">(</tt><tt class="py-name">chunksize</tt><tt class="py-op">,</tt> <tt class="py-name">remain</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">chunk</tt><tt class="py-op">:</tt> <tt class="py-keyword">break</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line">        <tt class="py-name">mem</tt><tt class="py-op">.</tt><tt id="link-32" class="py-name" targets="Function simplejson.write()=simplejson-module.html#write"><a title="simplejson.write" class="py-name" href="#" onclick="return doclink('link-32', 'write', 'link-32');">write</a></tt><tt class="py-op">(</tt><tt class="py-name">chunk</tt><tt class="py-op">)</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">    <tt class="py-name">fout</tt><tt class="py-op">.</tt><tt id="link-33" class="py-name"><a title="simplejson.write" class="py-name" href="#" onclick="return doclink('link-33', 'write', 'link-32');">write</a></tt><tt class="py-op">(</tt><tt class="py-name">mem</tt><tt class="py-op">.</tt><tt class="py-name">getvalue</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">    <tt class="py-name">fout</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line">    <tt class="py-name">mem</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">    <tt class="py-name">shutil</tt><tt class="py-op">.</tt><tt class="py-name">copy</tt><tt class="py-op">(</tt><tt class="py-name">fileitem</tt><tt class="py-op">.</tt><tt class="py-name">filename</tt><tt class="py-op">+</tt><tt class="py-string">".tmp"</tt><tt class="py-op">,</tt> <tt class="py-name">fileitem</tt><tt class="py-op">.</tt><tt class="py-name">filename</tt><tt class="py-op">)</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">    <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">unlink</tt><tt class="py-op">(</tt><tt class="py-name">fileitem</tt><tt class="py-op">.</tt><tt class="py-name">filename</tt><tt class="py-op">+</tt><tt class="py-string">".tmp"</tt><tt class="py-op">)</tt> </tt>
</div><a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line"> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line"> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line"><tt class="py-comment">#main database handler</tt> </tt>
<a name="handle_database_app"></a><div id="handle_database_app-def"><a name="L100"></a><tt class="py-lineno">100</tt> <a class="py-toggle" href="#" id="handle_database_app-toggle" onclick="return toggle('handle_database_app');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#handle_database_app">handle_database_app</a><tt class="py-op">(</tt><tt class="py-param">environ</tt><tt class="py-op">,</tt><tt class="py-param">start_response</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="handle_database_app-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="handle_database_app-expanded"><a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line"><tt class="py-docstring">    Database handling logic and replication should go here</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line"><tt class="py-docstring">    Outputting data in JSON</tt> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt>     </tt>
<a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">    <tt class="py-name">conn</tt> <tt class="py-op">=</tt> <tt class="py-name">sqlite3</tt><tt class="py-op">.</tt><tt class="py-name">connect</tt><tt class="py-op">(</tt><tt id="link-34" class="py-name" targets="Variable settings.DB_FILE=settings-module.html#DB_FILE,Variable wsgi_http.DB_FILE=wsgi_http-module.html#DB_FILE"><a title="settings.DB_FILE
wsgi_http.DB_FILE" class="py-name" href="#" onclick="return doclink('link-34', 'DB_FILE', 'link-34');">DB_FILE</a></tt><tt class="py-op">)</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">    <tt class="py-name">c</tt> <tt class="py-op">=</tt> <tt class="py-name">conn</tt><tt class="py-op">.</tt><tt class="py-name">cursor</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">    <tt class="py-name">start_response</tt><tt class="py-op">(</tt><tt class="py-string">'200 OK'</tt><tt class="py-op">,</tt><tt class="py-op">[</tt><tt class="py-op">(</tt><tt class="py-string">'Content-type'</tt><tt class="py-op">,</tt><tt class="py-string">'application/x-javascript'</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">    <tt class="py-name">query</tt> <tt class="py-op">=</tt> <tt class="py-name">environ</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'QUERY_STRING'</tt><tt class="py-op">,</tt> <tt class="py-string">''</tt><tt class="py-op">)</tt> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line">    <tt class="py-name">client_ip</tt> <tt class="py-op">=</tt> <tt class="py-name">environ</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'REMOTE_ADDR'</tt><tt class="py-op">,</tt> <tt class="py-string">''</tt><tt class="py-op">)</tt> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line">    <tt class="py-name">path</tt> <tt class="py-op">=</tt> <tt class="py-name">environ</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'PATH_INFO'</tt><tt class="py-op">,</tt> <tt class="py-string">'/'</tt><tt class="py-op">)</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt>  <tt class="py-line">    <tt class="py-name">params</tt> <tt class="py-op">=</tt> <tt class="py-name">dict</tt><tt class="py-op">(</tt><tt class="py-name">parse_qsl</tt><tt class="py-op">(</tt><tt class="py-name">environ</tt><tt class="py-op">[</tt><tt class="py-string">'QUERY_STRING'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt>     </tt>
<a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line"> </tt>
<a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line">    <tt class="py-comment">#handles home page</tt> </tt>
<a name="L114"></a><tt class="py-lineno">114</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">'/'</tt><tt class="py-op">:</tt> </tt>
<a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line">        <tt class="py-keyword">print</tt> <tt class="py-name">client_ip</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-35" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-35', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt id="link-36" class="py-name"><a title="wsgi_http.APP_NAME" class="py-name" href="#" onclick="return doclink('link-36', 'APP_NAME', 'link-3');">APP_NAME</a></tt><tt class="py-op">:</tt><tt class="py-string">'Welcome'</tt><tt class="py-op">,</tt> <tt class="py-string">'version'</tt><tt class="py-op">:</tt><tt id="link-37" class="py-name"><a title="wsgi_http.APP_VERSION" class="py-name" href="#" onclick="return doclink('link-37', 'APP_VERSION', 'link-4');">APP_VERSION</a></tt><tt class="py-op">,</tt> \ </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line">                           <tt class="py-string">'role'</tt><tt class="py-op">:</tt> <tt id="link-38" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-38', 'role', 'link-22');">role</a></tt><tt class="py-op">,</tt> <tt class="py-string">'utility'</tt><tt class="py-op">:</tt><tt id="link-39" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-39', 'utility', 'link-20');">utility</a></tt><tt class="py-op">,</tt> \ </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line">                           <tt class="py-string">'random_neighbors'</tt><tt class="py-op">:</tt><tt id="link-40" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-40', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">,</tt>\ </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line">                           <tt class="py-string">'similar_neighbors'</tt><tt class="py-op">:</tt><tt id="link-41" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-41', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">}</tt><tt class="py-op">,</tt><tt class="py-name">indent</tt><tt class="py-op">=</tt><tt class="py-number">4</tt><tt class="py-op">)</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line">     </tt>
<a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line">    <tt class="py-comment">#replicate page</tt> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">'/replicate'</tt><tt class="py-op">:</tt> </tt>
<a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line">        <tt class="py-name">can_update</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line">        <tt class="py-name">params_post</tt> <tt class="py-op">=</tt> <tt class="py-name">cgi</tt><tt class="py-op">.</tt><tt class="py-name">FieldStorage</tt><tt class="py-op">(</tt><tt class="py-name">fp</tt><tt class="py-op">=</tt><tt class="py-name">environ</tt><tt class="py-op">[</tt><tt class="py-string">'wsgi.input'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">environ</tt><tt class="py-op">=</tt><tt class="py-name">environ</tt><tt class="py-op">)</tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">params_post</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'ts'</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-keyword">not</tt> <tt class="py-name">params_post</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'file'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L126"></a><tt class="py-lineno">126</tt>  <tt class="py-line">                <tt class="py-keyword">return</tt> <tt id="link-42" class="py-name" targets="Function wsgi_http.error()=wsgi_http-module.html#error"><a title="wsgi_http.error" class="py-name" href="#" onclick="return doclink('link-42', 'error', 'link-42');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"No ts(timestamp) or file"</tt><tt class="py-op">)</tt> </tt>
<a name="L127"></a><tt class="py-lineno">127</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line">            <tt class="py-name">fp</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-string">'replication.log'</tt><tt class="py-op">,</tt> <tt class="py-string">'r'</tt><tt class="py-op">)</tt> </tt>
<a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line">            <tt class="py-name">lines</tt> <tt class="py-op">=</tt> <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt class="py-name">readlines</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line">            <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">params_post</tt><tt class="py-op">.</tt><tt class="py-name">getvalue</tt><tt class="py-op">(</tt><tt class="py-string">'ts'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">lines</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L132"></a><tt class="py-lineno">132</tt>  <tt class="py-line">                <tt class="py-name">can_update</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L133"></a><tt class="py-lineno">133</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">IOError</tt><tt class="py-op">:</tt> </tt>
<a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-string">"IOError"</tt> </tt>
<a name="L135"></a><tt class="py-lineno">135</tt>  <tt class="py-line">            <tt class="py-name">can_update</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line">             </tt>
<a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line">             </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">can_update</tt><tt class="py-op">:</tt> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L140"></a><tt class="py-lineno">140</tt>  <tt class="py-line">                <tt id="link-43" class="py-name" targets="Function wsgi_http.save_uploaded_file()=wsgi_http-module.html#save_uploaded_file"><a title="wsgi_http.save_uploaded_file" class="py-name" href="#" onclick="return doclink('link-43', 'save_uploaded_file', 'link-43');">save_uploaded_file</a></tt><tt class="py-op">(</tt><tt class="py-string">'file'</tt><tt class="py-op">,</tt> <tt class="py-name">params_post</tt><tt class="py-op">,</tt> <tt class="py-name">environ</tt><tt class="py-op">[</tt><tt class="py-string">"CONTENT_LENGTH"</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L142"></a><tt class="py-lineno">142</tt>  <tt class="py-line">                <tt class="py-keyword">print</tt> <tt class="py-name">e</tt> </tt>
<a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line">                <tt class="py-keyword">return</tt> <tt id="link-44" class="py-name"><a title="wsgi_http.error" class="py-name" href="#" onclick="return doclink('link-44', 'error', 'link-42');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"IOError in replication"</tt><tt class="py-op">)</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line">            <tt class="py-name">fp</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-string">'replication.log'</tt><tt class="py-op">,</tt> <tt class="py-string">'w'</tt><tt class="py-op">)</tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line">            <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt id="link-45" class="py-name"><a title="simplejson.write" class="py-name" href="#" onclick="return doclink('link-45', 'write', 'link-32');">write</a></tt><tt class="py-op">(</tt><tt class="py-name">params_post</tt><tt class="py-op">.</tt><tt class="py-name">getvalue</tt><tt class="py-op">(</tt><tt class="py-string">'ts'</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line">            <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-46" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-46', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'stat'</tt><tt class="py-op">:</tt> <tt class="py-string">'ok'</tt><tt class="py-op">,</tt> <tt class="py-string">'msg'</tt><tt class="py-op">:</tt><tt class="py-string">'replication done'</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-47" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-47', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'stat'</tt><tt class="py-op">:</tt> <tt class="py-string">'ok'</tt><tt class="py-op">,</tt> <tt class="py-string">'msg'</tt><tt class="py-op">:</tt><tt class="py-string">'replication discarded by client'</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L150"></a><tt class="py-lineno">150</tt>  <tt class="py-line">         </tt>
<a name="L151"></a><tt class="py-lineno">151</tt>  <tt class="py-line"> </tt>
<a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">"/senddb"</tt><tt class="py-op">:</tt> </tt>
<a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L154"></a><tt class="py-lineno">154</tt>  <tt class="py-line">            <tt class="py-name">fp</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt id="link-48" class="py-name"><a title="settings.DB_FILE
wsgi_http.DB_FILE" class="py-name" href="#" onclick="return doclink('link-48', 'DB_FILE', 'link-34');">DB_FILE</a></tt><tt class="py-op">,</tt> <tt class="py-string">'rb'</tt><tt class="py-op">)</tt> </tt>
<a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line">            <tt class="py-name">c</tt> <tt class="py-op">=</tt> <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt id="link-49" class="py-name"><a title="simplejson.read" class="py-name" href="#" onclick="return doclink('link-49', 'read', 'link-31');">read</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line">            <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L157"></a><tt class="py-lineno">157</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">c</tt> </tt>
<a name="L158"></a><tt class="py-lineno">158</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line">            <tt class="py-keyword">pass</tt> </tt>
<a name="L160"></a><tt class="py-lineno">160</tt>  <tt class="py-line"> </tt>
<a name="L161"></a><tt class="py-lineno">161</tt>  <tt class="py-line">    <tt class="py-comment">#handles help page</tt> </tt>
<a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">'/help'</tt><tt class="py-op">:</tt> </tt>
<a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-50" class="py-name" targets="Function wsgi_http.help_command()=wsgi_http-module.html#help_command"><a title="wsgi_http.help_command" class="py-name" href="#" onclick="return doclink('link-50', 'help_command', 'link-50');">help_command</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L164"></a><tt class="py-lineno">164</tt>  <tt class="py-line">     </tt>
<a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line">    <tt class="py-comment">#empty pending queue</tt> </tt>
<a name="L166"></a><tt class="py-lineno">166</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">'/empty-queue'</tt><tt class="py-op">:</tt> </tt>
<a name="L167"></a><tt class="py-lineno">167</tt>  <tt class="py-line">        <tt id="link-51" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-51', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt><tt class="py-op">[</tt><tt class="py-name">client_ip</tt> <tt class="py-op">+</tt><tt class="py-string">":"</tt><tt class="py-op">+</tt> <tt class="py-name">params</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'port'</tt><tt class="py-op">,</tt> <tt class="py-string">'0000'</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">list</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L168"></a><tt class="py-lineno">168</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-52" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-52', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line"> </tt>
<a name="L170"></a><tt class="py-lineno">170</tt>  <tt class="py-line">    <tt class="py-comment">#handles get_detail page</tt> </tt>
<a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">'/get-details'</tt><tt class="py-op">:</tt> </tt>
<a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line">        <tt class="py-comment">#if we are a bootstrapping node there is a possibility that we don't have</tt> </tt>
<a name="L173"></a><tt class="py-lineno">173</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment">#any neighbours. So we gather each node trying to bootstrap with us</tt> </tt>
<a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment">#and add it as a neighbour if we don't have</tt> </tt>
<a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment">#the bootstrap requester must give its port, role and utility</tt> </tt>
<a name="L176"></a><tt class="py-lineno">176</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">if</tt> <tt class="py-name">params</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'port'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L177"></a><tt class="py-lineno">177</tt>  <tt class="py-line">            <tt id="link-53" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-53', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'address'</tt><tt class="py-op">:</tt><tt class="py-string">'%s:%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">client_ip</tt><tt class="py-op">,</tt> <tt class="py-name">params</tt><tt class="py-op">[</tt><tt class="py-string">'port'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-string">'utility'</tt><tt class="py-op">:</tt><tt class="py-name">params</tt><tt class="py-op">[</tt><tt class="py-string">'utility'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-string">'role'</tt><tt class="py-op">:</tt><tt class="py-name">params</tt><tt class="py-op">[</tt><tt class="py-string">'role'</tt><tt class="py-op">]</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L178"></a><tt class="py-lineno">178</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt>  <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-54" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-54', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'utility'</tt><tt class="py-op">:</tt><tt id="link-55" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-55', 'utility', 'link-20');">utility</a></tt><tt class="py-op">,</tt> <tt class="py-string">'role'</tt><tt class="py-op">:</tt> <tt id="link-56" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-56', 'role', 'link-22');">role</a></tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L179"></a><tt class="py-lineno">179</tt>  <tt class="py-line"> </tt>
<a name="L180"></a><tt class="py-lineno">180</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">'/get-random-neighbours'</tt><tt class="py-op">:</tt> </tt>
<a name="L181"></a><tt class="py-lineno">181</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt>  <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-57" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-57', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'random_neighbors'</tt><tt class="py-op">:</tt><tt id="link-58" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-58', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">}</tt><tt class="py-op">,</tt><tt class="py-name">indent</tt><tt class="py-op">=</tt><tt class="py-number">4</tt><tt class="py-op">)</tt> </tt>
<a name="L182"></a><tt class="py-lineno">182</tt>  <tt class="py-line"> </tt>
<a name="L183"></a><tt class="py-lineno">183</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">'/get-similar-neighbors'</tt><tt class="py-op">:</tt> </tt>
<a name="L184"></a><tt class="py-lineno">184</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt>  <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-59" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-59', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'similar_neighbors'</tt><tt class="py-op">:</tt><tt id="link-60" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-60', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">}</tt><tt class="py-op">,</tt><tt class="py-name">indent</tt><tt class="py-op">=</tt><tt class="py-number">4</tt><tt class="py-op">)</tt> </tt>
<a name="L185"></a><tt class="py-lineno">185</tt>  <tt class="py-line">     </tt>
<a name="L186"></a><tt class="py-lineno">186</tt>  <tt class="py-line">    <tt class="py-comment">#handle sql queries</tt> </tt>
<a name="L187"></a><tt class="py-lineno">187</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">if</tt> <tt class="py-name">path</tt> <tt class="py-op">==</tt> <tt class="py-string">'/query'</tt><tt class="py-op">:</tt> </tt>
<a name="L188"></a><tt class="py-lineno">188</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">params</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'q'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L189"></a><tt class="py-lineno">189</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt id="link-61" class="py-name"><a title="wsgi_http.error" class="py-name" href="#" onclick="return doclink('link-61', 'error', 'link-42');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">"query is required, please pass it ?q=sql"</tt><tt class="py-op">)</tt> </tt>
<a name="L190"></a><tt class="py-lineno">190</tt>  <tt class="py-line">         </tt>
<a name="L191"></a><tt class="py-lineno">191</tt>  <tt class="py-line">        <tt class="py-name">sql</tt> <tt class="py-op">=</tt> <tt class="py-name">params</tt><tt class="py-op">[</tt><tt class="py-string">'q'</tt><tt class="py-op">]</tt> </tt>
<a name="L192"></a><tt class="py-lineno">192</tt>  <tt class="py-line">         </tt>
<a name="L193"></a><tt class="py-lineno">193</tt>  <tt class="py-line">        <tt class="py-comment">#if we are dumb we must send the query to the master or the best neighbour</tt> </tt>
<a name="L194"></a><tt class="py-lineno">194</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">if</tt> <tt id="link-62" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-62', 'role', 'link-22');">role</a></tt> <tt class="py-op">==</tt> <tt class="py-string">"dumb"</tt> <tt class="py-keyword">and</tt> <tt id="link-63" class="py-name" targets="Function wsgi_http.is_read_only()=wsgi_http-module.html#is_read_only"><a title="wsgi_http.is_read_only" class="py-name" href="#" onclick="return doclink('link-63', 'is_read_only', 'link-63');">is_read_only</a></tt><tt class="py-op">(</tt><tt class="py-name">sql</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L195"></a><tt class="py-lineno">195</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L196"></a><tt class="py-lineno">196</tt>  <tt class="py-line">                <tt class="py-name">best_neighbour</tt> <tt class="py-op">=</tt> <tt id="link-64" class="py-name" targets="Function wsgi_http.get_best_neighbour()=wsgi_http-module.html#get_best_neighbour"><a title="wsgi_http.get_best_neighbour" class="py-name" href="#" onclick="return doclink('link-64', 'get_best_neighbour', 'link-64');">get_best_neighbour</a></tt><tt class="py-op">(</tt><tt id="link-65" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-65', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">+</tt><tt id="link-66" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-66', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">)</tt> </tt>
<a name="L197"></a><tt class="py-lineno">197</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">params</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'f'</tt><tt class="py-op">,</tt> <tt class="py-string">''</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-string">'1'</tt> <tt class="py-keyword">and</tt> <tt id="link-67" class="py-name"><a title="wsgi_http.active_nodes_pool" class="py-name" href="#" onclick="return doclink('link-67', 'active_nodes_pool', 'link-17');">active_nodes_pool</a></tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-name">best_neighbour</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">False</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L198"></a><tt class="py-lineno">198</tt>  <tt class="py-line">                    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L199"></a><tt class="py-lineno">199</tt>  <tt class="py-line">                        <tt class="py-name">remote_query</tt> <tt class="py-op">=</tt> <tt id="link-68" class="py-name" targets="Function wsgi_http.make_query()=wsgi_http-module.html#make_query"><a title="wsgi_http.make_query" class="py-name" href="#" onclick="return doclink('link-68', 'make_query', 'link-68');">make_query</a></tt><tt class="py-op">(</tt><tt class="py-name">sql</tt><tt class="py-op">,</tt> <tt class="py-name">best_neighbour</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L200"></a><tt class="py-lineno">200</tt>  <tt class="py-line">                    <tt class="py-keyword">except</tt> <tt id="link-69" class="py-name" targets="Class wsgi_http.DeadNodeFoundException=wsgi_http.DeadNodeFoundException-class.html"><a title="wsgi_http.DeadNodeFoundException" class="py-name" href="#" onclick="return doclink('link-69', 'DeadNodeFoundException', 'link-69');">DeadNodeFoundException</a></tt><tt class="py-op">:</tt> </tt>
<a name="L201"></a><tt class="py-lineno">201</tt>  <tt class="py-line">                        <tt class="py-keyword">raise</tt> <tt class="py-name">IndexError</tt> </tt>
<a name="L202"></a><tt class="py-lineno">202</tt>  <tt class="py-line">                    <tt class="py-comment">#to know where the result came from, without caring about bumps</tt> </tt>
<a name="L203"></a><tt class="py-lineno">203</tt>  <tt class="py-line"><tt class="py-comment"></tt>                    <tt class="py-keyword">if</tt> <tt class="py-name">remote_query</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'source'</tt><tt class="py-op">,</tt> <tt class="py-string">''</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-string">"local"</tt><tt class="py-op">:</tt> </tt>
<a name="L204"></a><tt class="py-lineno">204</tt>  <tt class="py-line">                        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L205"></a><tt class="py-lineno">205</tt>  <tt class="py-line">                            <tt class="py-name">remote_query</tt><tt class="py-op">[</tt><tt class="py-string">'source'</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">best_neighbour</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt> </tt>
<a name="L206"></a><tt class="py-lineno">206</tt>  <tt class="py-line">                        <tt class="py-keyword">except</tt> <tt id="link-70" class="py-name"><a title="wsgi_http.DeadNodeFoundException" class="py-name" href="#" onclick="return doclink('link-70', 'DeadNodeFoundException', 'link-69');">DeadNodeFoundException</a></tt><tt class="py-op">:</tt> </tt>
<a name="L207"></a><tt class="py-lineno">207</tt>  <tt class="py-line">                            <tt class="py-keyword">raise</tt> <tt class="py-name">IndexError</tt> </tt>
<a name="L208"></a><tt class="py-lineno">208</tt>  <tt class="py-line">                    <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-71" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-71', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-name">remote_query</tt><tt class="py-op">,</tt><tt class="py-name">indent</tt><tt class="py-op">=</tt><tt class="py-number">4</tt><tt class="py-op">)</tt> </tt>
<a name="L209"></a><tt class="py-lineno">209</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">IndexError</tt><tt class="py-op">:</tt> </tt>
<a name="L210"></a><tt class="py-lineno">210</tt>  <tt class="py-line">                <tt class="py-keyword">pass</tt> </tt>
<a name="L211"></a><tt class="py-lineno">211</tt>  <tt class="py-line">                </tt>
<a name="L212"></a><tt class="py-lineno">212</tt>  <tt class="py-line">        <tt class="py-comment">#if we are not dumb, we are master (in this beta version, later this will change)</tt> </tt>
<a name="L213"></a><tt class="py-lineno">213</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L214"></a><tt class="py-lineno">214</tt>  <tt class="py-line">            <tt class="py-name">c</tt><tt class="py-op">.</tt><tt class="py-name">execute</tt><tt class="py-op">(</tt><tt class="py-string">'%s'</tt> <tt class="py-op">%</tt> <tt class="py-name">params</tt><tt class="py-op">[</tt><tt class="py-string">'q'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L215"></a><tt class="py-lineno">215</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L216"></a><tt class="py-lineno">216</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt id="link-72" class="py-name"><a title="wsgi_http.error" class="py-name" href="#" onclick="return doclink('link-72', 'error', 'link-42');">error</a></tt><tt class="py-op">(</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L217"></a><tt class="py-lineno">217</tt>  <tt class="py-line">         </tt>
<a name="L218"></a><tt class="py-lineno">218</tt>  <tt class="py-line">         </tt>
<a name="L219"></a><tt class="py-lineno">219</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt id="link-73" class="py-name"><a title="wsgi_http.is_read_only" class="py-name" href="#" onclick="return doclink('link-73', 'is_read_only', 'link-63');">is_read_only</a></tt><tt class="py-op">(</tt><tt class="py-name">sql</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L220"></a><tt class="py-lineno">220</tt>  <tt class="py-line">            <tt class="py-name">conn</tt><tt class="py-op">.</tt><tt class="py-name">commit</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L221"></a><tt class="py-lineno">221</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">params</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'f'</tt><tt class="py-op">,</tt> <tt class="py-string">''</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-string">'1'</tt><tt class="py-op">:</tt><tt class="py-comment">#Avoid infinite loop here</tt> </tt>
<a name="L222"></a><tt class="py-lineno">222</tt>  <tt class="py-line">                <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L223"></a><tt class="py-lineno">223</tt>  <tt class="py-line">                    <tt id="link-74" class="py-name" targets="Function wsgi_http.replicate_query()=wsgi_http-module.html#replicate_query"><a title="wsgi_http.replicate_query" class="py-name" href="#" onclick="return doclink('link-74', 'replicate_query', 'link-74');">replicate_query</a></tt><tt class="py-op">(</tt><tt class="py-name">sql</tt><tt class="py-op">)</tt> </tt>
<a name="L224"></a><tt class="py-lineno">224</tt>  <tt class="py-line">                <tt class="py-keyword">except</tt> <tt id="link-75" class="py-name"><a title="wsgi_http.DeadNodeFoundException" class="py-name" href="#" onclick="return doclink('link-75', 'DeadNodeFoundException', 'link-69');">DeadNodeFoundException</a></tt><tt class="py-op">:</tt><tt class="py-keyword">pass</tt> </tt>
<a name="L225"></a><tt class="py-lineno">225</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-76" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-76', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'stat'</tt><tt class="py-op">:</tt><tt class="py-string">'ok'</tt><tt class="py-op">,</tt> <tt class="py-string">'source'</tt><tt class="py-op">:</tt><tt class="py-string">'local'</tt><tt class="py-op">,</tt> <tt class="py-string">'path'</tt><tt class="py-op">:</tt><tt class="py-name">path</tt><tt class="py-op">,</tt> \ </tt>
<a name="L226"></a><tt class="py-lineno">226</tt>  <tt class="py-line">                               <tt class="py-string">'query'</tt><tt class="py-op">:</tt><tt class="py-name">params</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'q'</tt><tt class="py-op">,</tt> <tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-string">'count'</tt><tt class="py-op">:</tt><tt class="py-number">0</tt><tt class="py-op">,</tt>\ </tt>
<a name="L227"></a><tt class="py-lineno">227</tt>  <tt class="py-line">                            <tt class="py-string">'dataset'</tt><tt class="py-op">:</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">}</tt><tt class="py-op">,</tt> <tt class="py-name">indent</tt><tt class="py-op">=</tt><tt class="py-number">4</tt><tt class="py-op">)</tt> </tt>
<a name="L228"></a><tt class="py-lineno">228</tt>  <tt class="py-line">        <tt class="py-name">res</tt> <tt class="py-op">=</tt> <tt class="py-name">c</tt><tt class="py-op">.</tt><tt class="py-name">fetchall</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L229"></a><tt class="py-lineno">229</tt>  <tt class="py-line">        <tt class="py-name">desc</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-keyword">for</tt> <tt class="py-name">item</tt> <tt class="py-keyword">in</tt> <tt class="py-name">c</tt><tt class="py-op">.</tt><tt class="py-name">description</tt><tt class="py-op">]</tt> </tt>
<a name="L230"></a><tt class="py-lineno">230</tt>  <tt class="py-line">        <tt class="py-name">ds</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">dict</tt><tt class="py-op">(</tt><tt class="py-name">zip</tt><tt class="py-op">(</tt><tt class="py-name">desc</tt><tt class="py-op">,</tt> <tt class="py-name">row</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-keyword">for</tt> <tt class="py-name">row</tt> <tt class="py-keyword">in</tt> <tt class="py-name">res</tt><tt class="py-op">]</tt> </tt>
<a name="L231"></a><tt class="py-lineno">231</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-77" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-77', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'stat'</tt><tt class="py-op">:</tt><tt class="py-string">'ok'</tt><tt class="py-op">,</tt> <tt class="py-string">'source'</tt><tt class="py-op">:</tt><tt class="py-string">'local'</tt><tt class="py-op">,</tt> <tt class="py-string">'query'</tt><tt class="py-op">:</tt><tt class="py-name">params</tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-string">'q'</tt><tt class="py-op">,</tt> <tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L232"></a><tt class="py-lineno">232</tt>  <tt class="py-line">                           <tt class="py-string">'count'</tt><tt class="py-op">:</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">ds</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-string">'path'</tt><tt class="py-op">:</tt><tt class="py-name">path</tt><tt class="py-op">,</tt> <tt class="py-string">'dataset'</tt><tt class="py-op">:</tt> <tt class="py-name">ds</tt><tt class="py-op">}</tt><tt class="py-op">,</tt><tt class="py-name">indent</tt><tt class="py-op">=</tt><tt class="py-number">4</tt><tt class="py-op">)</tt> </tt>
<a name="L233"></a><tt class="py-lineno">233</tt>  <tt class="py-line">     </tt>
<a name="L234"></a><tt class="py-lineno">234</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-78" class="py-name"><a title="simplejson.dumps" class="py-name" href="#" onclick="return doclink('link-78', 'dumps', 'link-27');">dumps</a></tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'stat'</tt><tt class="py-op">:</tt><tt class="py-string">'fail'</tt><tt class="py-op">,</tt> <tt class="py-string">'err'</tt><tt class="py-op">:</tt><tt class="py-string">'404 Page not found'</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
</div><a name="L235"></a><tt class="py-lineno">235</tt>  <tt class="py-line"> </tt>
<a name="L236"></a><tt class="py-lineno">236</tt>  <tt class="py-line"> </tt>
<a name="delete_node"></a><div id="delete_node-def"><a name="L237"></a><tt class="py-lineno">237</tt> <a class="py-toggle" href="#" id="delete_node-toggle" onclick="return toggle('delete_node');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#delete_node">delete_node</a><tt class="py-op">(</tt><tt class="py-param">address</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="delete_node-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="delete_node-expanded"><a name="L238"></a><tt class="py-lineno">238</tt>  <tt class="py-line">    <tt class="py-docstring">"Delete node from DOS"</tt> </tt>
<a name="L239"></a><tt class="py-lineno">239</tt>  <tt class="py-line">    <tt class="py-comment">#for i in random_neighbors:</tt> </tt>
<a name="L240"></a><tt class="py-lineno">240</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#    if i.has_key('address') and i['address'] == address:</tt> </tt>
<a name="L241"></a><tt class="py-lineno">241</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#        try:</tt> </tt>
<a name="L242"></a><tt class="py-lineno">242</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#            random_neighbors.remove(i)</tt> </tt>
<a name="L243"></a><tt class="py-lineno">243</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#        except ValueError:</tt> </tt>
<a name="L244"></a><tt class="py-lineno">244</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#            pass</tt> </tt>
<a name="L245"></a><tt class="py-lineno">245</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#for i in similar_neighbors:</tt> </tt>
<a name="L246"></a><tt class="py-lineno">246</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#    if i.has_key('address') and i['address'] == address:</tt> </tt>
<a name="L247"></a><tt class="py-lineno">247</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#        try:</tt> </tt>
<a name="L248"></a><tt class="py-lineno">248</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#            random_neighbors.remove(i)</tt> </tt>
<a name="L249"></a><tt class="py-lineno">249</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#        except ValueError:</tt> </tt>
<a name="L250"></a><tt class="py-lineno">250</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment">#            pass</tt> </tt>
<a name="L251"></a><tt class="py-lineno">251</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt id="link-79" class="py-name"><a title="wsgi_http.active_nodes_pool" class="py-name" href="#" onclick="return doclink('link-79', 'active_nodes_pool', 'link-17');">active_nodes_pool</a></tt><tt class="py-op">[</tt><tt id="link-80" class="py-name"><a title="wsgi_http.address" class="py-name" href="#" onclick="return doclink('link-80', 'address', 'link-23');">address</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
</div><a name="L252"></a><tt class="py-lineno">252</tt>  <tt class="py-line"> </tt>
<a name="ask_details"></a><div id="ask_details-def"><a name="L253"></a><tt class="py-lineno">253</tt> <a class="py-toggle" href="#" id="ask_details-toggle" onclick="return toggle('ask_details');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#ask_details">ask_details</a><tt class="py-op">(</tt><tt class="py-param">peer</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ask_details-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ask_details-expanded"><a name="L254"></a><tt class="py-lineno">254</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L255"></a><tt class="py-lineno">255</tt>  <tt class="py-line"><tt class="py-docstring">    gets the utility and role of a known peer (useful for bootstrapping)</tt> </tt>
<a name="L256"></a><tt class="py-lineno">256</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L257"></a><tt class="py-lineno">257</tt>  <tt class="py-line">    <tt class="py-name">request</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">Request</tt><tt class="py-op">(</tt><tt class="py-string">'http://%s/get-details?port=%s&amp;utility=%s&amp;role=%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">peer</tt><tt class="py-op">,</tt><tt id="link-81" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-81', 'port', 'link-18');">port</a></tt><tt class="py-op">,</tt><tt id="link-82" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-82', 'utility', 'link-20');">utility</a></tt><tt class="py-op">,</tt><tt id="link-83" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-83', 'role', 'link-22');">role</a></tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L258"></a><tt class="py-lineno">258</tt>  <tt class="py-line">    <tt class="py-comment">#cool user agent can be a little security check</tt> </tt>
<a name="L259"></a><tt class="py-lineno">259</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">add_header</tt><tt class="py-op">(</tt><tt class="py-string">'User-Agent'</tt><tt class="py-op">,</tt> <tt id="link-84" class="py-name"><a title="wsgi_http.USER_AGENT" class="py-name" href="#" onclick="return doclink('link-84', 'USER_AGENT', 'link-5');">USER_AGENT</a></tt><tt class="py-op">)</tt> </tt>
<a name="L260"></a><tt class="py-lineno">260</tt>  <tt class="py-line">    <tt class="py-name">opener</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">build_opener</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L261"></a><tt class="py-lineno">261</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L262"></a><tt class="py-lineno">262</tt>  <tt class="py-line">        <tt class="py-name">response</tt> <tt class="py-op">=</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-85" class="py-name" targets="Function simplejson.loads()=simplejson-module.html#loads"><a title="simplejson.loads" class="py-name" href="#" onclick="return doclink('link-85', 'loads', 'link-85');">loads</a></tt><tt class="py-op">(</tt><tt class="py-name">opener</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt id="link-86" class="py-name"><a title="simplejson.read" class="py-name" href="#" onclick="return doclink('link-86', 'read', 'link-31');">read</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L263"></a><tt class="py-lineno">263</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt id="link-87" class="py-name" targets="Class wsgi_http.URLError=wsgi_http.URLError-class.html"><a title="wsgi_http.URLError" class="py-name" href="#" onclick="return doclink('link-87', 'URLError', 'link-87');">URLError</a></tt><tt class="py-op">:</tt> </tt>
<a name="L264"></a><tt class="py-lineno">264</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L265"></a><tt class="py-lineno">265</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">response</tt> </tt>
</div><a name="L266"></a><tt class="py-lineno">266</tt>  <tt class="py-line"> </tt>
<a name="make_query"></a><div id="make_query-def"><a name="L267"></a><tt class="py-lineno">267</tt> <a class="py-toggle" href="#" id="make_query-toggle" onclick="return toggle('make_query');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#make_query">make_query</a><tt class="py-op">(</tt><tt class="py-param">query</tt><tt class="py-op">,</tt> <tt class="py-param">peer</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="make_query-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="make_query-expanded"><a name="L268"></a><tt class="py-lineno">268</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L269"></a><tt class="py-lineno">269</tt>  <tt class="py-line"><tt class="py-docstring">    makes a sql query to a remote peer</tt> </tt>
<a name="L270"></a><tt class="py-lineno">270</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L271"></a><tt class="py-lineno">271</tt>  <tt class="py-line">    <tt class="py-keyword">global</tt> <tt id="link-88" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-88', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt> </tt>
<a name="L272"></a><tt class="py-lineno">272</tt>  <tt class="py-line">    <tt class="py-name">request</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">Request</tt><tt class="py-op">(</tt><tt class="py-string">'http://%s/query?%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">peer</tt><tt class="py-op">,</tt> <tt class="py-name">urllib</tt><tt class="py-op">.</tt><tt class="py-name">urlencode</tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'q'</tt><tt class="py-op">:</tt><tt class="py-name">query</tt><tt class="py-op">,</tt> <tt class="py-string">'f'</tt><tt class="py-op">:</tt><tt class="py-string">'1'</tt><tt class="py-op">}</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L273"></a><tt class="py-lineno">273</tt>  <tt class="py-line">    <tt class="py-keyword">print</tt> <tt class="py-string">'http://%s/query?%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">peer</tt><tt class="py-op">,</tt> <tt class="py-name">urllib</tt><tt class="py-op">.</tt><tt class="py-name">urlencode</tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'q'</tt><tt class="py-op">:</tt><tt class="py-name">query</tt><tt class="py-op">,</tt> <tt class="py-string">'f'</tt><tt class="py-op">:</tt><tt class="py-string">'1'</tt><tt class="py-op">}</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L274"></a><tt class="py-lineno">274</tt>  <tt class="py-line">    <tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">add_header</tt><tt class="py-op">(</tt><tt class="py-string">'User-Agent'</tt><tt class="py-op">,</tt> <tt id="link-89" class="py-name"><a title="wsgi_http.USER_AGENT" class="py-name" href="#" onclick="return doclink('link-89', 'USER_AGENT', 'link-5');">USER_AGENT</a></tt><tt class="py-op">)</tt> </tt>
<a name="L275"></a><tt class="py-lineno">275</tt>  <tt class="py-line">    <tt class="py-name">opener</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">build_opener</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L276"></a><tt class="py-lineno">276</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L277"></a><tt class="py-lineno">277</tt>  <tt class="py-line">        <tt class="py-name">response</tt> <tt class="py-op">=</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-90" class="py-name"><a title="simplejson.loads" class="py-name" href="#" onclick="return doclink('link-90', 'loads', 'link-85');">loads</a></tt><tt class="py-op">(</tt><tt class="py-name">opener</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt id="link-91" class="py-name"><a title="simplejson.read" class="py-name" href="#" onclick="return doclink('link-91', 'read', 'link-31');">read</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L278"></a><tt class="py-lineno">278</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt><tt class="py-op">:</tt><tt class="py-comment">#blindly delete node if exception</tt> </tt>
<a name="L279"></a><tt class="py-lineno">279</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-92" class="py-name"><a title="wsgi_http.is_read_only" class="py-name" href="#" onclick="return doclink('link-92', 'is_read_only', 'link-63');">is_read_only</a></tt><tt class="py-op">(</tt><tt class="py-name">query</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L280"></a><tt class="py-lineno">280</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L281"></a><tt class="py-lineno">281</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt id="link-93" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-93', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">peer</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L282"></a><tt class="py-lineno">282</tt>  <tt class="py-line">            <tt id="link-94" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-94', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt><tt class="py-op">[</tt><tt class="py-name">peer</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L283"></a><tt class="py-lineno">283</tt>  <tt class="py-line">        <tt id="link-95" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-95', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt><tt class="py-op">[</tt><tt class="py-name">peer</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">query</tt><tt class="py-op">)</tt> </tt>
<a name="L284"></a><tt class="py-lineno">284</tt>  <tt class="py-line">        <tt class="py-comment">#delete_node(peer)</tt> </tt>
<a name="L285"></a><tt class="py-lineno">285</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">raise</tt> <tt id="link-96" class="py-name"><a title="wsgi_http.DeadNodeFoundException" class="py-name" href="#" onclick="return doclink('link-96', 'DeadNodeFoundException', 'link-69');">DeadNodeFoundException</a></tt> </tt>
<a name="L286"></a><tt class="py-lineno">286</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L287"></a><tt class="py-lineno">287</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">response</tt> </tt>
</div><a name="L288"></a><tt class="py-lineno">288</tt>  <tt class="py-line"> </tt>
<a name="L289"></a><tt class="py-lineno">289</tt>  <tt class="py-line"> </tt>
<a name="check_queue"></a><div id="check_queue-def"><a name="L290"></a><tt class="py-lineno">290</tt> <a class="py-toggle" href="#" id="check_queue-toggle" onclick="return toggle('check_queue');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#check_queue">check_queue</a><tt class="py-op">(</tt><tt class="py-param">time_interval</tt><tt class="py-op">=</tt><tt class="py-number">60</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="check_queue-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="check_queue-expanded"><a name="L291"></a><tt class="py-lineno">291</tt>  <tt class="py-line">    <tt class="py-docstring">"Checks queue and deliver sqls if missed"</tt> </tt>
<a name="L292"></a><tt class="py-lineno">292</tt>  <tt class="py-line">    <tt class="py-keyword">global</tt> <tt id="link-97" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-97', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt> </tt>
<a name="L293"></a><tt class="py-lineno">293</tt>  <tt class="py-line">    <tt class="py-keyword">while</tt> <tt class="py-name">True</tt><tt class="py-op">:</tt> </tt>
<a name="L294"></a><tt class="py-lineno">294</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">a</tt> <tt class="py-keyword">in</tt> <tt id="link-98" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-98', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L295"></a><tt class="py-lineno">295</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-string">"Checking queue for -&gt; %s"</tt> <tt class="py-op">%</tt> <tt class="py-name">a</tt> </tt>
<a name="L296"></a><tt class="py-lineno">296</tt>  <tt class="py-line">            <tt class="py-name">trav_queue</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-name">x</tt> <tt class="py-keyword">for</tt> <tt class="py-name">x</tt> <tt class="py-keyword">in</tt> <tt id="link-99" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-99', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt><tt class="py-op">[</tt><tt class="py-name">a</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> </tt>
<a name="L297"></a><tt class="py-lineno">297</tt>  <tt class="py-line">            <tt class="py-keyword">while</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">trav_queue</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L298"></a><tt class="py-lineno">298</tt>  <tt class="py-line">                <tt class="py-name">trav_queue</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L299"></a><tt class="py-lineno">299</tt>  <tt class="py-line">                <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L300"></a><tt class="py-lineno">300</tt>  <tt class="py-line">                    <tt id="link-100" class="py-name"><a title="wsgi_http.make_query" class="py-name" href="#" onclick="return doclink('link-100', 'make_query', 'link-68');">make_query</a></tt><tt class="py-op">(</tt><tt id="link-101" class="py-name"><a title="wsgi_http.SQL_QUEUE" class="py-name" href="#" onclick="return doclink('link-101', 'SQL_QUEUE', 'link-14');">SQL_QUEUE</a></tt><tt class="py-op">[</tt><tt class="py-name">a</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">a</tt><tt class="py-op">)</tt> </tt>
<a name="L301"></a><tt class="py-lineno">301</tt>  <tt class="py-line">                <tt class="py-keyword">except</tt> <tt id="link-102" class="py-name"><a title="wsgi_http.DeadNodeFoundException" class="py-name" href="#" onclick="return doclink('link-102', 'DeadNodeFoundException', 'link-69');">DeadNodeFoundException</a></tt><tt class="py-op">:</tt> </tt>
<a name="L302"></a><tt class="py-lineno">302</tt>  <tt class="py-line">                    <tt class="py-keyword">pass</tt> </tt>
<a name="L303"></a><tt class="py-lineno">303</tt>  <tt class="py-line">        <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">sleep</tt><tt class="py-op">(</tt><tt class="py-name">time_interval</tt><tt class="py-op">)</tt> </tt>
</div><a name="L304"></a><tt class="py-lineno">304</tt>  <tt class="py-line"> </tt>
<a name="L305"></a><tt class="py-lineno">305</tt>  <tt class="py-line"><tt class="py-comment">#def replicate_query(query):</tt> </tt>
<a name="L306"></a><tt class="py-lineno">306</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#    """</tt> </tt>
<a name="L307"></a><tt class="py-lineno">307</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#    Replicate SQL of other nodes</tt> </tt>
<a name="L308"></a><tt class="py-lineno">308</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#    """</tt> </tt>
<a name="L309"></a><tt class="py-lineno">309</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#    try:</tt> </tt>
<a name="L310"></a><tt class="py-lineno">310</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#        node = get_best_neighbour(random_neighbors+similar_neighbors)</tt> </tt>
<a name="L311"></a><tt class="py-lineno">311</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#    except IndexError:</tt> </tt>
<a name="L312"></a><tt class="py-lineno">312</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#        node = None</tt> </tt>
<a name="L313"></a><tt class="py-lineno">313</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#    if node is None:</tt> </tt>
<a name="L314"></a><tt class="py-lineno">314</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#        print "No node to replicate"</tt> </tt>
<a name="L315"></a><tt class="py-lineno">315</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#        return</tt> </tt>
<a name="L316"></a><tt class="py-lineno">316</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#    else:</tt> </tt>
<a name="L317"></a><tt class="py-lineno">317</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#        return make_query(query, node['address'])</tt> </tt>
<a name="L318"></a><tt class="py-lineno">318</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="replicate_query"></a><div id="replicate_query-def"><a name="L319"></a><tt class="py-lineno">319</tt> <a class="py-toggle" href="#" id="replicate_query-toggle" onclick="return toggle('replicate_query');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#replicate_query">replicate_query</a><tt class="py-op">(</tt><tt class="py-param">query</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="replicate_query-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="replicate_query-expanded"><a name="L320"></a><tt class="py-lineno">320</tt>  <tt class="py-line">    <tt class="py-docstring">"Replicates query to all other replicas also prevent double replication"</tt> </tt>
<a name="L321"></a><tt class="py-lineno">321</tt>  <tt class="py-line">    <tt class="py-name">cache</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L322"></a><tt class="py-lineno">322</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt id="link-103" class="py-name" targets="Variable simplejson.encoder.i=simplejson.encoder-module.html#i"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-103', 'i', 'link-103');">i</a></tt> <tt class="py-keyword">in</tt> <tt id="link-104" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-104', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">:</tt> </tt>
<a name="L323"></a><tt class="py-lineno">323</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-105" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-105', 'i', 'link-103');">i</a></tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'address'</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-keyword">not</tt> <tt class="py-name">cache</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt id="link-106" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-106', 'i', 'link-103');">i</a></tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L324"></a><tt class="py-lineno">324</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L325"></a><tt class="py-lineno">325</tt>  <tt class="py-line">                <tt id="link-107" class="py-name"><a title="wsgi_http.make_query" class="py-name" href="#" onclick="return doclink('link-107', 'make_query', 'link-68');">make_query</a></tt><tt class="py-op">(</tt><tt class="py-name">query</tt><tt class="py-op">,</tt> <tt id="link-108" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-108', 'i', 'link-103');">i</a></tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L326"></a><tt class="py-lineno">326</tt>  <tt class="py-line">                <tt class="py-name">cache</tt><tt class="py-op">[</tt><tt id="link-109" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-109', 'i', 'link-103');">i</a></tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-number">1</tt> </tt>
<a name="L327"></a><tt class="py-lineno">327</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L328"></a><tt class="py-lineno">328</tt>  <tt class="py-line">                <tt class="py-keyword">pass</tt> </tt>
<a name="L329"></a><tt class="py-lineno">329</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt id="link-110" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-110', 'i', 'link-103');">i</a></tt> <tt class="py-keyword">in</tt> <tt id="link-111" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-111', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">:</tt> </tt>
<a name="L330"></a><tt class="py-lineno">330</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-112" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-112', 'i', 'link-103');">i</a></tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-string">'address'</tt><tt class="py-op">)</tt> <tt class="py-keyword">and</tt> <tt class="py-keyword">not</tt> <tt class="py-name">cache</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt id="link-113" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-113', 'i', 'link-103');">i</a></tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L331"></a><tt class="py-lineno">331</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L332"></a><tt class="py-lineno">332</tt>  <tt class="py-line">                <tt id="link-114" class="py-name"><a title="wsgi_http.make_query" class="py-name" href="#" onclick="return doclink('link-114', 'make_query', 'link-68');">make_query</a></tt><tt class="py-op">(</tt><tt class="py-name">query</tt><tt class="py-op">,</tt> <tt id="link-115" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-115', 'i', 'link-103');">i</a></tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L333"></a><tt class="py-lineno">333</tt>  <tt class="py-line">                <tt class="py-name">cache</tt><tt class="py-op">[</tt><tt id="link-116" class="py-name"><a title="simplejson.encoder.i" class="py-name" href="#" onclick="return doclink('link-116', 'i', 'link-103');">i</a></tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-number">1</tt> </tt>
<a name="L334"></a><tt class="py-lineno">334</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L335"></a><tt class="py-lineno">335</tt>  <tt class="py-line">                <tt class="py-keyword">pass</tt> </tt>
</div><a name="L336"></a><tt class="py-lineno">336</tt>  <tt class="py-line"> </tt>
<a name="L337"></a><tt class="py-lineno">337</tt>  <tt class="py-line"><tt class="py-comment">#Not in use</tt> </tt>
<a name="make_replication"></a><div id="make_replication-def"><a name="L338"></a><tt class="py-lineno">338</tt> <a class="py-toggle" href="#" id="make_replication-toggle" onclick="return toggle('make_replication');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#make_replication">make_replication</a><tt class="py-op">(</tt><tt class="py-param">time_interval</tt><tt class="py-op">=</tt><tt class="py-number">10</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="make_replication-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="make_replication-expanded"><a name="L339"></a><tt class="py-lineno">339</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L340"></a><tt class="py-lineno">340</tt>  <tt class="py-line"><tt class="py-docstring">    makes replication on remote node</tt> </tt>
<a name="L341"></a><tt class="py-lineno">341</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L342"></a><tt class="py-lineno">342</tt>  <tt class="py-line">    <tt class="py-name">user_agent</tt> <tt class="py-op">=</tt> <tt class="py-string">'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'</tt> </tt>
<a name="L343"></a><tt class="py-lineno">343</tt>  <tt class="py-line">    <tt class="py-name">headers</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt> <tt class="py-string">'User-Agent'</tt> <tt class="py-op">:</tt> <tt class="py-name">user_agent</tt> <tt class="py-op">}</tt> </tt>
<a name="L344"></a><tt class="py-lineno">344</tt>  <tt class="py-line">    <tt class="py-keyword">while</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L345"></a><tt class="py-lineno">345</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L346"></a><tt class="py-lineno">346</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt id="link-117" class="py-name"><a title="wsgi_http.get_best_neighbour" class="py-name" href="#" onclick="return doclink('link-117', 'get_best_neighbour', 'link-64');">get_best_neighbour</a></tt><tt class="py-op">(</tt><tt id="link-118" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-118', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">+</tt><tt id="link-119" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-119', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">)</tt> </tt>
<a name="L347"></a><tt class="py-lineno">347</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">IndexError</tt><tt class="py-op">:</tt> </tt>
<a name="L348"></a><tt class="py-lineno">348</tt>  <tt class="py-line">            <tt class="py-name">node</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L349"></a><tt class="py-lineno">349</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-string">"no replication node"</tt> </tt>
<a name="L350"></a><tt class="py-lineno">350</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">node</tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L351"></a><tt class="py-lineno">351</tt>  <tt class="py-line">            <tt class="py-name">ts</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L352"></a><tt class="py-lineno">352</tt>  <tt class="py-line">            <tt class="py-name">url</tt> <tt class="py-op">=</tt> <tt class="py-string">'http://%s/replicate'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">node</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L353"></a><tt class="py-lineno">353</tt>  <tt class="py-line">            <tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-string">'ts'</tt><tt class="py-op">:</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">ts</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-string">'file'</tt><tt class="py-op">:</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt id="link-120" class="py-name"><a title="settings.DB_FILE
wsgi_http.DB_FILE" class="py-name" href="#" onclick="return doclink('link-120', 'DB_FILE', 'link-34');">DB_FILE</a></tt><tt class="py-op">)</tt><tt class="py-op">}</tt> </tt>
<a name="L354"></a><tt class="py-lineno">354</tt>  <tt class="py-line">            <tt class="py-name">req</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">Request</tt><tt class="py-op">(</tt><tt class="py-name">url</tt><tt class="py-op">,</tt> <tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">headers</tt><tt class="py-op">)</tt> </tt>
<a name="L355"></a><tt class="py-lineno">355</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L356"></a><tt class="py-lineno">356</tt>  <tt class="py-line">                <tt class="py-name">response</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">urlopen</tt><tt class="py-op">(</tt><tt class="py-name">req</tt><tt class="py-op">)</tt> </tt>
<a name="L357"></a><tt class="py-lineno">357</tt>  <tt class="py-line">                <tt class="py-keyword">print</tt> <tt class="py-name">response</tt><tt class="py-op">.</tt><tt id="link-121" class="py-name"><a title="simplejson.read" class="py-name" href="#" onclick="return doclink('link-121', 'read', 'link-31');">read</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L358"></a><tt class="py-lineno">358</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L359"></a><tt class="py-lineno">359</tt>  <tt class="py-line">                <tt class="py-keyword">print</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">e</tt><tt class="py-op">)</tt> </tt>
<a name="L360"></a><tt class="py-lineno">360</tt>  <tt class="py-line">        <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">sleep</tt><tt class="py-op">(</tt><tt class="py-name">time_interval</tt><tt class="py-op">)</tt> </tt>
</div><a name="L361"></a><tt class="py-lineno">361</tt>  <tt class="py-line"> </tt>
<a name="ask_random_neighbors"></a><div id="ask_random_neighbors-def"><a name="L362"></a><tt class="py-lineno">362</tt> <a class="py-toggle" href="#" id="ask_random_neighbors-toggle" onclick="return toggle('ask_random_neighbors');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#ask_random_neighbors">ask_random_neighbors</a><tt class="py-op">(</tt><tt class="py-param">peer</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ask_random_neighbors-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ask_random_neighbors-expanded"><a name="L363"></a><tt class="py-lineno">363</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L364"></a><tt class="py-lineno">364</tt>  <tt class="py-line"><tt class="py-docstring">    gets the random neighbours of a peer</tt> </tt>
<a name="L365"></a><tt class="py-lineno">365</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L366"></a><tt class="py-lineno">366</tt>  <tt class="py-line">    <tt class="py-name">request</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">Request</tt><tt class="py-op">(</tt><tt class="py-string">'http://%s/get-random-neighbours'</tt> <tt class="py-op">%</tt> <tt class="py-name">peer</tt><tt class="py-op">)</tt>     </tt>
<a name="L367"></a><tt class="py-lineno">367</tt>  <tt class="py-line">    <tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">add_header</tt><tt class="py-op">(</tt><tt class="py-string">'User-Agent'</tt><tt class="py-op">,</tt> <tt id="link-122" class="py-name"><a title="wsgi_http.USER_AGENT" class="py-name" href="#" onclick="return doclink('link-122', 'USER_AGENT', 'link-5');">USER_AGENT</a></tt><tt class="py-op">)</tt> </tt>
<a name="L368"></a><tt class="py-lineno">368</tt>  <tt class="py-line">    <tt class="py-name">opener</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">build_opener</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L369"></a><tt class="py-lineno">369</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L370"></a><tt class="py-lineno">370</tt>  <tt class="py-line">        <tt class="py-name">response</tt> <tt class="py-op">=</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-123" class="py-name"><a title="simplejson.loads" class="py-name" href="#" onclick="return doclink('link-123', 'loads', 'link-85');">loads</a></tt><tt class="py-op">(</tt><tt class="py-name">opener</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt id="link-124" class="py-name"><a title="simplejson.read" class="py-name" href="#" onclick="return doclink('link-124', 'read', 'link-31');">read</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L371"></a><tt class="py-lineno">371</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L372"></a><tt class="py-lineno">372</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L373"></a><tt class="py-lineno">373</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">response</tt><tt class="py-op">[</tt><tt class="py-string">'random_neighbors'</tt><tt class="py-op">]</tt> </tt>
</div><a name="L374"></a><tt class="py-lineno">374</tt>  <tt class="py-line"> </tt>
<a name="ask_similar_neighbors"></a><div id="ask_similar_neighbors-def"><a name="L375"></a><tt class="py-lineno">375</tt> <a class="py-toggle" href="#" id="ask_similar_neighbors-toggle" onclick="return toggle('ask_similar_neighbors');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#ask_similar_neighbors">ask_similar_neighbors</a><tt class="py-op">(</tt><tt class="py-param">peer</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ask_similar_neighbors-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="ask_similar_neighbors-expanded"><a name="L376"></a><tt class="py-lineno">376</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L377"></a><tt class="py-lineno">377</tt>  <tt class="py-line"><tt class="py-docstring">    gets the simillar neighbours of a peer</tt> </tt>
<a name="L378"></a><tt class="py-lineno">378</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L379"></a><tt class="py-lineno">379</tt>  <tt class="py-line">    <tt class="py-name">request</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">Request</tt><tt class="py-op">(</tt><tt class="py-string">'http://%s/get-similar-neighbors'</tt> <tt class="py-op">%</tt> <tt class="py-name">peer</tt><tt class="py-op">)</tt>     </tt>
<a name="L380"></a><tt class="py-lineno">380</tt>  <tt class="py-line">    <tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">add_header</tt><tt class="py-op">(</tt><tt class="py-string">'User-Agent'</tt><tt class="py-op">,</tt> <tt id="link-125" class="py-name"><a title="wsgi_http.USER_AGENT" class="py-name" href="#" onclick="return doclink('link-125', 'USER_AGENT', 'link-5');">USER_AGENT</a></tt><tt class="py-op">)</tt> </tt>
<a name="L381"></a><tt class="py-lineno">381</tt>  <tt class="py-line">    <tt class="py-name">opener</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">build_opener</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L382"></a><tt class="py-lineno">382</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L383"></a><tt class="py-lineno">383</tt>  <tt class="py-line">        <tt class="py-name">response</tt> <tt class="py-op">=</tt> <tt class="py-name">json</tt><tt class="py-op">.</tt><tt id="link-126" class="py-name"><a title="simplejson.loads" class="py-name" href="#" onclick="return doclink('link-126', 'loads', 'link-85');">loads</a></tt><tt class="py-op">(</tt><tt class="py-name">opener</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt id="link-127" class="py-name"><a title="simplejson.read" class="py-name" href="#" onclick="return doclink('link-127', 'read', 'link-31');">read</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L384"></a><tt class="py-lineno">384</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L385"></a><tt class="py-lineno">385</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L386"></a><tt class="py-lineno">386</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">response</tt><tt class="py-op">[</tt><tt class="py-string">'similar_neighbors'</tt><tt class="py-op">]</tt> </tt>
</div><a name="L387"></a><tt class="py-lineno">387</tt>  <tt class="py-line"> </tt>
<a name="L388"></a><tt class="py-lineno">388</tt>  <tt class="py-line"> </tt>
<a name="get_best_neighbour"></a><div id="get_best_neighbour-def"><a name="L389"></a><tt class="py-lineno">389</tt> <a class="py-toggle" href="#" id="get_best_neighbour-toggle" onclick="return toggle('get_best_neighbour');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#get_best_neighbour">get_best_neighbour</a><tt class="py-op">(</tt><tt class="py-param">neighbour_list</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="get_best_neighbour-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="get_best_neighbour-expanded"><a name="L390"></a><tt class="py-lineno">390</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L391"></a><tt class="py-lineno">391</tt>  <tt class="py-line"><tt class="py-docstring">    gets the neighbour with highest utility in a neighbour list</tt> </tt>
<a name="L392"></a><tt class="py-lineno">392</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L393"></a><tt class="py-lineno">393</tt>  <tt class="py-line">    <tt class="py-name">best_candidate</tt> <tt class="py-op">=</tt> <tt class="py-name">neighbour_list</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L394"></a><tt class="py-lineno">394</tt>  <tt class="py-line"> </tt>
<a name="L395"></a><tt class="py-lineno">395</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">n</tt> <tt class="py-keyword">in</tt> <tt class="py-name">neighbour_list</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">:</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L396"></a><tt class="py-lineno">396</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">n</tt><tt class="py-op">[</tt><tt class="py-string">'role'</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-string">"master"</tt><tt class="py-op">:</tt> </tt>
<a name="L397"></a><tt class="py-lineno">397</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">n</tt> </tt>
<a name="L398"></a><tt class="py-lineno">398</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">n</tt><tt class="py-op">[</tt><tt class="py-string">'utility'</tt><tt class="py-op">]</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">best_candidate</tt><tt class="py-op">[</tt><tt class="py-string">'utility'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L399"></a><tt class="py-lineno">399</tt>  <tt class="py-line">            <tt class="py-name">best_candidate</tt> <tt class="py-op">=</tt> <tt class="py-name">n</tt> </tt>
<a name="L400"></a><tt class="py-lineno">400</tt>  <tt class="py-line"> </tt>
<a name="L401"></a><tt class="py-lineno">401</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">best_candidate</tt>   </tt>
</div><a name="L402"></a><tt class="py-lineno">402</tt>  <tt class="py-line"> </tt>
<a name="L403"></a><tt class="py-lineno">403</tt>  <tt class="py-line"> </tt>
<a name="check_neighbours"></a><div id="check_neighbours-def"><a name="L404"></a><tt class="py-lineno">404</tt> <a class="py-toggle" href="#" id="check_neighbours-toggle" onclick="return toggle('check_neighbours');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#check_neighbours">check_neighbours</a><tt class="py-op">(</tt><tt class="py-param">time_interval</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="check_neighbours-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="check_neighbours-expanded"><a name="L405"></a><tt class="py-lineno">405</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L406"></a><tt class="py-lineno">406</tt>  <tt class="py-line"><tt class="py-docstring">    Check neighbours in ever t secs and del old nodes</tt> </tt>
<a name="L407"></a><tt class="py-lineno">407</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L408"></a><tt class="py-lineno">408</tt>  <tt class="py-line">    <tt class="py-keyword">global</tt> <tt id="link-128" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-128', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">,</tt> <tt id="link-129" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-129', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt> </tt>
<a name="L409"></a><tt class="py-lineno">409</tt>  <tt class="py-line">    <tt class="py-keyword">while</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L410"></a><tt class="py-lineno">410</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L411"></a><tt class="py-lineno">411</tt>  <tt class="py-line">            <tt class="py-comment">#If the lists of neighbours are full, disconnect random neighbour</tt> </tt>
<a name="L412"></a><tt class="py-lineno">412</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-130" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-130', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-131" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-131', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">)</tt> <tt class="py-op">&gt;=</tt> <tt id="link-132" class="py-name"><a title="wsgi_http.MAX_NEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-132', 'MAX_NEIGHBOURS', 'link-11');">MAX_NEIGHBOURS</a></tt><tt class="py-op">:</tt> </tt>
<a name="L413"></a><tt class="py-lineno">413</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">random</tt><tt class="py-op">.</tt><tt class="py-name">randint</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-number">1</tt><tt class="py-op">)</tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L414"></a><tt class="py-lineno">414</tt>  <tt class="py-line">                    <tt class="py-name">random</tt><tt class="py-op">.</tt><tt class="py-name">shuffle</tt><tt class="py-op">(</tt><tt id="link-133" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-133', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">)</tt> </tt>
<a name="L415"></a><tt class="py-lineno">415</tt>  <tt class="py-line">                    <tt class="py-keyword">del</tt> <tt id="link-134" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-134', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L416"></a><tt class="py-lineno">416</tt>  <tt class="py-line">                <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L417"></a><tt class="py-lineno">417</tt>  <tt class="py-line">                    <tt class="py-name">random</tt><tt class="py-op">.</tt><tt class="py-name">shuffle</tt><tt class="py-op">(</tt><tt id="link-135" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-135', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">)</tt> </tt>
<a name="L418"></a><tt class="py-lineno">418</tt>  <tt class="py-line">                    <tt class="py-keyword">del</tt> <tt id="link-136" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-136', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt>                 </tt>
<a name="L419"></a><tt class="py-lineno">419</tt>  <tt class="py-line">     </tt>
<a name="L420"></a><tt class="py-lineno">420</tt>  <tt class="py-line">            <tt class="py-comment">#add random neighbour from a peer</tt> </tt>
<a name="L421"></a><tt class="py-lineno">421</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-137" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-137', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">)</tt> <tt class="py-op">&lt;</tt> <tt id="link-138" class="py-name"><a title="wsgi_http.MAX_RNEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-138', 'MAX_RNEIGHBOURS', 'link-8');">MAX_RNEIGHBOURS</a></tt> <tt class="py-keyword">and</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-139" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-139', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt>             </tt>
<a name="L422"></a><tt class="py-lineno">422</tt>  <tt class="py-line">                <tt class="py-name">random</tt><tt class="py-op">.</tt><tt class="py-name">shuffle</tt><tt class="py-op">(</tt><tt id="link-140" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-140', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">)</tt>            </tt>
<a name="L423"></a><tt class="py-lineno">423</tt>  <tt class="py-line">                <tt class="py-name">neighbour</tt> <tt class="py-op">=</tt> <tt id="link-141" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-141', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
<a name="L424"></a><tt class="py-lineno">424</tt>  <tt class="py-line">                <tt class="py-name">gossiped_neighbours</tt> <tt class="py-op">=</tt> <tt id="link-142" class="py-name" targets="Function wsgi_http.ask_random_neighbors()=wsgi_http-module.html#ask_random_neighbors"><a title="wsgi_http.ask_random_neighbors" class="py-name" href="#" onclick="return doclink('link-142', 'ask_random_neighbors', 'link-142');">ask_random_neighbors</a></tt><tt class="py-op">(</tt><tt class="py-name">neighbour</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L425"></a><tt class="py-lineno">425</tt>  <tt class="py-line">                <tt class="py-comment">#remove from the obtained list the nodes that are our neighbours already</tt> </tt>
<a name="L426"></a><tt class="py-lineno">426</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-name">gossiped_neighbours</tt> <tt class="py-op">=</tt> <tt class="py-name">filter</tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">x</tt><tt class="py-op">:</tt><tt class="py-name">x</tt> <tt class="py-keyword">not</tt> <tt class="py-keyword">in</tt> <tt id="link-143" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-143', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">,</tt> <tt class="py-name">gossiped_neighbours</tt><tt class="py-op">)</tt> </tt>
<a name="L427"></a><tt class="py-lineno">427</tt>  <tt class="py-line">                <tt class="py-name">random</tt><tt class="py-op">.</tt><tt class="py-name">shuffle</tt><tt class="py-op">(</tt><tt class="py-name">gossiped_neighbours</tt><tt class="py-op">)</tt> </tt>
<a name="L428"></a><tt class="py-lineno">428</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">gossiped_neighbours</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L429"></a><tt class="py-lineno">429</tt>  <tt class="py-line">                    <tt class="py-comment">#don't add ourselves to the neighbour list!                </tt> </tt>
<a name="L430"></a><tt class="py-lineno">430</tt>  <tt class="py-line"><tt class="py-comment"></tt>                    <tt class="py-keyword">if</tt> <tt class="py-name">gossiped_neighbours</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt> <tt class="py-op">!=</tt> <tt class="py-op">(</tt><tt class="py-string">'%s:%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt id="link-144" class="py-name"><a title="wsgi_http.address" class="py-name" href="#" onclick="return doclink('link-144', 'address', 'link-23');">address</a></tt><tt class="py-op">,</tt> <tt id="link-145" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-145', 'port', 'link-18');">port</a></tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L431"></a><tt class="py-lineno">431</tt>  <tt class="py-line">                        <tt id="link-146" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-146', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">gossiped_neighbours</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L432"></a><tt class="py-lineno">432</tt>  <tt class="py-line">                    <tt class="py-keyword">elif</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">gossiped_neighbours</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L433"></a><tt class="py-lineno">433</tt>  <tt class="py-line">                        <tt id="link-147" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-147', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">gossiped_neighbours</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L434"></a><tt class="py-lineno">434</tt>  <tt class="py-line">     </tt>
<a name="L435"></a><tt class="py-lineno">435</tt>  <tt class="py-line">            <tt class="py-comment">#find most simillar neighbour from a peer and add it</tt> </tt>
<a name="L436"></a><tt class="py-lineno">436</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-148" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-148', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">)</tt> <tt class="py-op">&lt;</tt> <tt id="link-149" class="py-name"><a title="wsgi_http.MAX_SNEIGHBOURS" class="py-name" href="#" onclick="return doclink('link-149', 'MAX_SNEIGHBOURS', 'link-9');">MAX_SNEIGHBOURS</a></tt> <tt class="py-keyword">and</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-150" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-150', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt id="link-151" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-151', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L437"></a><tt class="py-lineno">437</tt>  <tt class="py-line">                <tt class="py-name">all_neighbours</tt> <tt class="py-op">=</tt> <tt id="link-152" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-152', 'random_neighbors', 'link-15');">random_neighbors</a></tt> <tt class="py-op">+</tt> <tt id="link-153" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-153', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt> </tt>
<a name="L438"></a><tt class="py-lineno">438</tt>  <tt class="py-line">                <tt class="py-keyword">print</tt> <tt class="py-name">all_neighbours</tt> </tt>
<a name="L439"></a><tt class="py-lineno">439</tt>  <tt class="py-line">                <tt class="py-name">random</tt><tt class="py-op">.</tt><tt class="py-name">shuffle</tt><tt class="py-op">(</tt><tt class="py-name">all_neighbours</tt><tt class="py-op">)</tt>             </tt>
<a name="L440"></a><tt class="py-lineno">440</tt>  <tt class="py-line">                <tt class="py-name">neighbour</tt> <tt class="py-op">=</tt> <tt class="py-name">all_neighbours</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt>             </tt>
<a name="L441"></a><tt class="py-lineno">441</tt>  <tt class="py-line">                <tt class="py-name">gossiped_neighbours</tt> <tt class="py-op">=</tt> <tt class="py-name">list</tt><tt class="py-op">(</tt><tt id="link-154" class="py-name" targets="Function wsgi_http.ask_similar_neighbors()=wsgi_http-module.html#ask_similar_neighbors"><a title="wsgi_http.ask_similar_neighbors" class="py-name" href="#" onclick="return doclink('link-154', 'ask_similar_neighbors', 'link-154');">ask_similar_neighbors</a></tt><tt class="py-op">(</tt><tt class="py-name">neighbour</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-op">+</tt> <tt class="py-name">list</tt><tt class="py-op">(</tt><tt id="link-155" class="py-name"><a title="wsgi_http.ask_random_neighbors" class="py-name" href="#" onclick="return doclink('link-155', 'ask_random_neighbors', 'link-142');">ask_random_neighbors</a></tt><tt class="py-op">(</tt><tt class="py-name">neighbour</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L442"></a><tt class="py-lineno">442</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">gossiped_neighbours</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L443"></a><tt class="py-lineno">443</tt>  <tt class="py-line">                    <tt class="py-comment">#remove from the obtained list the nodes that are our neighbours already</tt> </tt>
<a name="L444"></a><tt class="py-lineno">444</tt>  <tt class="py-line"><tt class="py-comment"></tt>                    <tt class="py-name">gossiped_neighbours</tt> <tt class="py-op">=</tt> <tt class="py-name">filter</tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">x</tt><tt class="py-op">:</tt><tt class="py-name">x</tt> <tt class="py-keyword">not</tt> <tt class="py-keyword">in</tt> <tt id="link-156" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-156', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">,</tt> <tt class="py-name">gossiped_neighbours</tt><tt class="py-op">)</tt> </tt>
<a name="L445"></a><tt class="py-lineno">445</tt>  <tt class="py-line">                    <tt class="py-name">simillar</tt> <tt class="py-op">=</tt> <tt id="link-157" class="py-name" targets="Function wsgi_http.get_simillar_candidate()=wsgi_http-module.html#get_simillar_candidate"><a title="wsgi_http.get_simillar_candidate" class="py-name" href="#" onclick="return doclink('link-157', 'get_simillar_candidate', 'link-157');">get_simillar_candidate</a></tt><tt class="py-op">(</tt><tt class="py-name">gossiped_neighbours</tt><tt class="py-op">)</tt> </tt>
<a name="L446"></a><tt class="py-lineno">446</tt>  <tt class="py-line">                    <tt class="py-keyword">if</tt> <tt class="py-name">simillar</tt><tt class="py-op">:</tt> </tt>
<a name="L447"></a><tt class="py-lineno">447</tt>  <tt class="py-line">                        <tt class="py-name">found</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L448"></a><tt class="py-lineno">448</tt>  <tt class="py-line">                        <tt class="py-keyword">for</tt> <tt class="py-name">s</tt> <tt class="py-keyword">in</tt> <tt id="link-158" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-158', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">:</tt> </tt>
<a name="L449"></a><tt class="py-lineno">449</tt>  <tt class="py-line">                            <tt class="py-keyword">if</tt> <tt class="py-name">s</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt> <tt class="py-op">==</tt> <tt class="py-name">simillar</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L450"></a><tt class="py-lineno">450</tt>  <tt class="py-line">                                <tt class="py-name">found</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L451"></a><tt class="py-lineno">451</tt>  <tt class="py-line">                                <tt class="py-keyword">break</tt> </tt>
<a name="L452"></a><tt class="py-lineno">452</tt>  <tt class="py-line">                        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">found</tt><tt class="py-op">:</tt> </tt>
<a name="L453"></a><tt class="py-lineno">453</tt>  <tt class="py-line">                            <tt id="link-159" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-159', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">simillar</tt><tt class="py-op">)</tt> </tt>
<a name="L454"></a><tt class="py-lineno">454</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">s</tt> <tt class="py-keyword">in</tt> <tt id="link-160" class="py-name"><a title="wsgi_http.similar_neighbors" class="py-name" href="#" onclick="return doclink('link-160', 'similar_neighbors', 'link-16');">similar_neighbors</a></tt><tt class="py-op">:</tt> </tt>
<a name="L455"></a><tt class="py-lineno">455</tt>  <tt class="py-line">                <tt id="link-161" class="py-name"><a title="wsgi_http.active_nodes_pool" class="py-name" href="#" onclick="return doclink('link-161', 'active_nodes_pool', 'link-17');">active_nodes_pool</a></tt><tt class="py-op">[</tt><tt class="py-name">s</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L456"></a><tt class="py-lineno">456</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">s</tt> <tt class="py-keyword">in</tt> <tt id="link-162" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-162', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">:</tt> </tt>
<a name="L457"></a><tt class="py-lineno">457</tt>  <tt class="py-line">                <tt id="link-163" class="py-name"><a title="wsgi_http.active_nodes_pool" class="py-name" href="#" onclick="return doclink('link-163', 'active_nodes_pool', 'link-17');">active_nodes_pool</a></tt><tt class="py-op">[</tt><tt class="py-name">s</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L458"></a><tt class="py-lineno">458</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L459"></a><tt class="py-lineno">459</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-name">e</tt>    </tt>
<a name="L460"></a><tt class="py-lineno">460</tt>  <tt class="py-line">         </tt>
<a name="L461"></a><tt class="py-lineno">461</tt>  <tt class="py-line">        <tt class="py-comment">#print "similar -&gt;", similar_neighbors</tt> </tt>
<a name="L462"></a><tt class="py-lineno">462</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment">#print "random -&gt;", random_neighbors</tt> </tt>
<a name="L463"></a><tt class="py-lineno">463</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">sleep</tt><tt class="py-op">(</tt><tt class="py-name">time_interval</tt><tt class="py-op">)</tt> </tt>
</div><a name="L464"></a><tt class="py-lineno">464</tt>  <tt class="py-line">    </tt>
<a name="L465"></a><tt class="py-lineno">465</tt>  <tt class="py-line"> </tt>
<a name="get_simillar_candidate"></a><div id="get_simillar_candidate-def"><a name="L466"></a><tt class="py-lineno">466</tt> <a class="py-toggle" href="#" id="get_simillar_candidate-toggle" onclick="return toggle('get_simillar_candidate');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#get_simillar_candidate">get_simillar_candidate</a><tt class="py-op">(</tt><tt class="py-param">all_neighbours</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="get_simillar_candidate-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="get_simillar_candidate-expanded"><a name="L467"></a><tt class="py-lineno">467</tt>  <tt class="py-line">    <tt class="py-docstring">"gets similar candidates"</tt> </tt>
<a name="L468"></a><tt class="py-lineno">468</tt>  <tt class="py-line">    <tt class="py-name">similar</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L469"></a><tt class="py-lineno">469</tt>  <tt class="py-line">    <tt class="py-name">diff</tt> <tt class="py-op">=</tt> <tt class="py-number">10000000</tt> </tt>
<a name="L470"></a><tt class="py-lineno">470</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">n</tt> <tt class="py-keyword">in</tt> <tt class="py-name">all_neighbours</tt><tt class="py-op">:</tt> </tt>
<a name="L471"></a><tt class="py-lineno">471</tt>  <tt class="py-line">        <tt class="py-keyword">print</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">[</tt><tt class="py-string">'utility'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-op">-</tt> <tt id="link-164" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-164', 'utility', 'link-20');">utility</a></tt><tt class="py-op">)</tt> </tt>
<a name="L472"></a><tt class="py-lineno">472</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">[</tt><tt class="py-string">'utility'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-op">-</tt> <tt id="link-165" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-165', 'utility', 'link-20');">utility</a></tt><tt class="py-op">)</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">diff</tt> <tt class="py-keyword">and</tt> <tt class="py-name">n</tt><tt class="py-op">[</tt><tt class="py-string">'address'</tt><tt class="py-op">]</tt> <tt class="py-op">!=</tt> <tt class="py-string">'%s:%s'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt id="link-166" class="py-name"><a title="wsgi_http.address" class="py-name" href="#" onclick="return doclink('link-166', 'address', 'link-23');">address</a></tt><tt class="py-op">,</tt> <tt id="link-167" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-167', 'port', 'link-18');">port</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L473"></a><tt class="py-lineno">473</tt>  <tt class="py-line">            <tt class="py-name">diff</tt> <tt class="py-op">=</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">[</tt><tt class="py-string">'utility'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> <tt class="py-op">-</tt> <tt id="link-168" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-168', 'utility', 'link-20');">utility</a></tt><tt class="py-op">)</tt> </tt>
<a name="L474"></a><tt class="py-lineno">474</tt>  <tt class="py-line">            <tt class="py-name">similar</tt> <tt class="py-op">=</tt> <tt class="py-name">n</tt> </tt>
<a name="L475"></a><tt class="py-lineno">475</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">similar</tt> </tt>
</div><a name="L476"></a><tt class="py-lineno">476</tt>  <tt class="py-line"> </tt>
<a name="L477"></a><tt class="py-lineno">477</tt>  <tt class="py-line"> </tt>
<a name="L478"></a><tt class="py-lineno">478</tt>  <tt class="py-line"><tt class="py-comment">#initialization as module</tt> </tt>
<a name="start_node"></a><div id="start_node-def"><a name="L479"></a><tt class="py-lineno">479</tt> <a class="py-toggle" href="#" id="start_node-toggle" onclick="return toggle('start_node');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="wsgi_http-module.html#start_node">start_node</a><tt class="py-op">(</tt><tt class="py-param">ut</tt><tt class="py-op">=</tt><tt id="link-169" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-169', 'utility', 'link-20');">utility</a></tt><tt class="py-op">,</tt> <tt class="py-param">pt</tt><tt class="py-op">=</tt><tt id="link-170" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-170', 'port', 'link-18');">port</a></tt><tt class="py-op">,</tt> <tt class="py-param">rl</tt><tt class="py-op">=</tt><tt id="link-171" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-171', 'role', 'link-22');">role</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="start_node-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="start_node-expanded"><a name="L480"></a><tt class="py-lineno">480</tt>  <tt class="py-line">    <tt class="py-docstring">"initialization as module"</tt> </tt>
<a name="L481"></a><tt class="py-lineno">481</tt>  <tt class="py-line">    <tt class="py-keyword">global</tt> <tt id="link-172" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-172', 'utility', 'link-20');">utility</a></tt> </tt>
<a name="L482"></a><tt class="py-lineno">482</tt>  <tt class="py-line">    <tt class="py-keyword">global</tt> <tt id="link-173" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-173', 'port', 'link-18');">port</a></tt> </tt>
<a name="L483"></a><tt class="py-lineno">483</tt>  <tt class="py-line">    <tt class="py-keyword">global</tt> <tt id="link-174" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-174', 'role', 'link-22');">role</a></tt> </tt>
<a name="L484"></a><tt class="py-lineno">484</tt>  <tt class="py-line"> </tt>
<a name="L485"></a><tt class="py-lineno">485</tt>  <tt class="py-line">    <tt id="link-175" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-175', 'utility', 'link-20');">utility</a></tt> <tt class="py-op">=</tt> <tt class="py-name">ut</tt> </tt>
<a name="L486"></a><tt class="py-lineno">486</tt>  <tt class="py-line">    <tt id="link-176" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-176', 'port', 'link-18');">port</a></tt> <tt class="py-op">=</tt> <tt class="py-name">pt</tt> </tt>
<a name="L487"></a><tt class="py-lineno">487</tt>  <tt class="py-line">    <tt id="link-177" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-177', 'role', 'link-22');">role</a></tt> <tt class="py-op">=</tt> <tt class="py-name">rl</tt> </tt>
<a name="L488"></a><tt class="py-lineno">488</tt>  <tt class="py-line">     </tt>
<a name="L489"></a><tt class="py-lineno">489</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt id="link-178" class="py-name" targets="Variable settings.ROLE=settings-module.html#ROLE,Variable wsgi_http.ROLE=wsgi_http-module.html#ROLE"><a title="settings.ROLE
wsgi_http.ROLE" class="py-name" href="#" onclick="return doclink('link-178', 'ROLE', 'link-178');">ROLE</a></tt> <tt class="py-op">==</tt> <tt class="py-string">'REPLICA'</tt><tt class="py-op">:</tt> </tt>
<a name="L490"></a><tt class="py-lineno">490</tt>  <tt class="py-line">        <tt class="py-keyword">print</tt> <tt class="py-string">"Processing pre-tasks please wait ...."</tt> </tt>
<a name="L491"></a><tt class="py-lineno">491</tt>  <tt class="py-line">        <tt class="py-name">request</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">Request</tt><tt class="py-op">(</tt><tt class="py-string">'http://%s/senddb'</tt> <tt class="py-op">%</tt> <tt id="link-179" class="py-name" targets="Variable settings.BOOTSTRAP=settings-module.html#BOOTSTRAP,Variable wsgi_http.BOOTSTRAP=wsgi_http-module.html#BOOTSTRAP"><a title="settings.BOOTSTRAP
wsgi_http.BOOTSTRAP" class="py-name" href="#" onclick="return doclink('link-179', 'BOOTSTRAP', 'link-179');">BOOTSTRAP</a></tt><tt class="py-op">)</tt> </tt>
<a name="L492"></a><tt class="py-lineno">492</tt>  <tt class="py-line">        <tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">add_header</tt><tt class="py-op">(</tt><tt class="py-string">'User-Agent'</tt><tt class="py-op">,</tt> <tt id="link-180" class="py-name"><a title="wsgi_http.USER_AGENT" class="py-name" href="#" onclick="return doclink('link-180', 'USER_AGENT', 'link-5');">USER_AGENT</a></tt><tt class="py-op">)</tt> </tt>
<a name="L493"></a><tt class="py-lineno">493</tt>  <tt class="py-line">        <tt class="py-name">request2</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">Request</tt><tt class="py-op">(</tt><tt class="py-string">'http://%s/empty-query?port=%d'</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt id="link-181" class="py-name"><a title="settings.BOOTSTRAP
wsgi_http.BOOTSTRAP" class="py-name" href="#" onclick="return doclink('link-181', 'BOOTSTRAP', 'link-179');">BOOTSTRAP</a></tt><tt class="py-op">,</tt> <tt id="link-182" class="py-name"><a title="settings.DEFAULT_PORT
wsgi_http.DEFAULT_PORT" class="py-name" href="#" onclick="return doclink('link-182', 'DEFAULT_PORT', 'link-19');">DEFAULT_PORT</a></tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L494"></a><tt class="py-lineno">494</tt>  <tt class="py-line">        <tt class="py-name">request2</tt><tt class="py-op">.</tt><tt class="py-name">add_header</tt><tt class="py-op">(</tt><tt class="py-string">'User-Agent'</tt><tt class="py-op">,</tt> <tt id="link-183" class="py-name"><a title="wsgi_http.USER_AGENT" class="py-name" href="#" onclick="return doclink('link-183', 'USER_AGENT', 'link-5');">USER_AGENT</a></tt><tt class="py-op">)</tt> </tt>
<a name="L495"></a><tt class="py-lineno">495</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L496"></a><tt class="py-lineno">496</tt>  <tt class="py-line">            <tt class="py-name">opener2</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">build_opener</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L497"></a><tt class="py-lineno">497</tt>  <tt class="py-line">            <tt class="py-name">fo</tt> <tt class="py-op">=</tt> <tt class="py-name">opener2</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">request2</tt><tt class="py-op">)</tt> </tt>
<a name="L498"></a><tt class="py-lineno">498</tt>  <tt class="py-line">            <tt class="py-name">opener</tt> <tt class="py-op">=</tt> <tt class="py-name">urllib2</tt><tt class="py-op">.</tt><tt class="py-name">build_opener</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L499"></a><tt class="py-lineno">499</tt>  <tt class="py-line">            <tt class="py-name">f</tt> <tt class="py-op">=</tt> <tt class="py-name">opener</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">)</tt> </tt>
<a name="L500"></a><tt class="py-lineno">500</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt id="link-184" class="py-name"><a title="wsgi_http.URLError" class="py-name" href="#" onclick="return doclink('link-184', 'URLError', 'link-87');">URLError</a></tt><tt class="py-op">:</tt> </tt>
<a name="L501"></a><tt class="py-lineno">501</tt>  <tt class="py-line">            <tt class="py-keyword">pass</tt> </tt>
<a name="L502"></a><tt class="py-lineno">502</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L503"></a><tt class="py-lineno">503</tt>  <tt class="py-line">            <tt class="py-name">fp</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt id="link-185" class="py-name"><a title="settings.DB_FILE
wsgi_http.DB_FILE" class="py-name" href="#" onclick="return doclink('link-185', 'DB_FILE', 'link-34');">DB_FILE</a></tt><tt class="py-op">,</tt> <tt class="py-string">'wb'</tt><tt class="py-op">)</tt> </tt>
<a name="L504"></a><tt class="py-lineno">504</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">l</tt> <tt class="py-keyword">in</tt> <tt class="py-name">f</tt><tt class="py-op">:</tt> </tt>
<a name="L505"></a><tt class="py-lineno">505</tt>  <tt class="py-line">                <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt id="link-186" class="py-name"><a title="simplejson.write" class="py-name" href="#" onclick="return doclink('link-186', 'write', 'link-32');">write</a></tt><tt class="py-op">(</tt><tt class="py-name">l</tt><tt class="py-op">)</tt> </tt>
<a name="L506"></a><tt class="py-lineno">506</tt>  <tt class="py-line">            <tt class="py-name">fp</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L507"></a><tt class="py-lineno">507</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">IOError</tt><tt class="py-op">:</tt> </tt>
<a name="L508"></a><tt class="py-lineno">508</tt>  <tt class="py-line">            <tt class="py-keyword">pass</tt> </tt>
<a name="L509"></a><tt class="py-lineno">509</tt>  <tt class="py-line"> </tt>
<a name="L510"></a><tt class="py-lineno">510</tt>  <tt class="py-line">    <tt class="py-comment">#very dirty bootstrapping, just for testing    </tt> </tt>
<a name="L511"></a><tt class="py-lineno">511</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L512"></a><tt class="py-lineno">512</tt>  <tt class="py-line">        <tt class="py-name">bootstrap_details</tt> <tt class="py-op">=</tt> <tt id="link-187" class="py-name" targets="Function wsgi_http.ask_details()=wsgi_http-module.html#ask_details"><a title="wsgi_http.ask_details" class="py-name" href="#" onclick="return doclink('link-187', 'ask_details', 'link-187');">ask_details</a></tt><tt class="py-op">(</tt><tt id="link-188" class="py-name"><a title="settings.BOOTSTRAP
wsgi_http.BOOTSTRAP" class="py-name" href="#" onclick="return doclink('link-188', 'BOOTSTRAP', 'link-179');">BOOTSTRAP</a></tt><tt class="py-op">)</tt> </tt>
<a name="L513"></a><tt class="py-lineno">513</tt>  <tt class="py-line">        <tt id="link-189" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-189', 'random_neighbors', 'link-15');">random_neighbors</a></tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-op">{</tt><tt class="py-string">'address'</tt><tt class="py-op">:</tt><tt id="link-190" class="py-name"><a title="settings.BOOTSTRAP
wsgi_http.BOOTSTRAP" class="py-name" href="#" onclick="return doclink('link-190', 'BOOTSTRAP', 'link-179');">BOOTSTRAP</a></tt><tt class="py-op">,</tt> <tt class="py-string">'utility'</tt><tt class="py-op">:</tt><tt class="py-name">bootstrap_details</tt><tt class="py-op">[</tt><tt class="py-string">'utility'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-string">'role'</tt><tt class="py-op">:</tt><tt class="py-name">bootstrap_details</tt><tt class="py-op">[</tt><tt class="py-string">'role'</tt><tt class="py-op">]</tt><tt class="py-op">}</tt><tt class="py-op">)</tt> </tt>
<a name="L514"></a><tt class="py-lineno">514</tt>  <tt class="py-line">        <tt class="py-keyword">print</tt> <tt id="link-191" class="py-name"><a title="wsgi_http.random_neighbors" class="py-name" href="#" onclick="return doclink('link-191', 'random_neighbors', 'link-15');">random_neighbors</a></tt> </tt>
<a name="L515"></a><tt class="py-lineno">515</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt class="py-name">Exception</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L516"></a><tt class="py-lineno">516</tt>  <tt class="py-line">        <tt class="py-name">None</tt>     </tt>
<a name="L517"></a><tt class="py-lineno">517</tt>  <tt class="py-line">                 </tt>
<a name="L518"></a><tt class="py-lineno">518</tt>  <tt class="py-line">     </tt>
<a name="L519"></a><tt class="py-lineno">519</tt>  <tt class="py-line">    <tt class="py-comment">#gossiping checks in every t sec here its 60 secs</tt> </tt>
<a name="L520"></a><tt class="py-lineno">520</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-name">thread</tt><tt class="py-op">.</tt><tt class="py-name">start_new</tt><tt class="py-op">(</tt><tt id="link-192" class="py-name" targets="Function wsgi_http.check_neighbours()=wsgi_http-module.html#check_neighbours"><a title="wsgi_http.check_neighbours" class="py-name" href="#" onclick="return doclink('link-192', 'check_neighbours', 'link-192');">check_neighbours</a></tt><tt class="py-op">,</tt> <tt class="py-op">(</tt><tt class="py-number">10</tt><tt class="py-op">,</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L521"></a><tt class="py-lineno">521</tt>  <tt class="py-line">    <tt class="py-name">thread</tt><tt class="py-op">.</tt><tt class="py-name">start_new</tt><tt class="py-op">(</tt><tt id="link-193" class="py-name" targets="Function wsgi_http.check_queue()=wsgi_http-module.html#check_queue"><a title="wsgi_http.check_queue" class="py-name" href="#" onclick="return doclink('link-193', 'check_queue', 'link-193');">check_queue</a></tt><tt class="py-op">,</tt> <tt class="py-op">(</tt><tt class="py-number">30</tt><tt class="py-op">,</tt><tt class="py-op">)</tt><tt class="py-op">)</tt>    </tt>
<a name="L522"></a><tt class="py-lineno">522</tt>  <tt class="py-line">     </tt>
<a name="L523"></a><tt class="py-lineno">523</tt>  <tt class="py-line">     </tt>
<a name="L524"></a><tt class="py-lineno">524</tt>  <tt class="py-line">    <tt class="py-comment">#server init</tt> </tt>
<a name="L525"></a><tt class="py-lineno">525</tt>  <tt class="py-line"><tt class="py-comment"></tt>   </tt>
<a name="L526"></a><tt class="py-lineno">526</tt>  <tt class="py-line">    <tt class="py-name">httpd</tt> <tt class="py-op">=</tt> <tt class="py-name">simple_server</tt><tt class="py-op">.</tt><tt class="py-name">WSGIServer</tt><tt class="py-op">(</tt> </tt>
<a name="L527"></a><tt class="py-lineno">527</tt>  <tt class="py-line">        <tt class="py-op">(</tt><tt id="link-194" class="py-name"><a title="settings.DEFAULT_HOST
wsgi_http.DEFAULT_HOST" class="py-name" href="#" onclick="return doclink('link-194', 'DEFAULT_HOST', 'link-24');">DEFAULT_HOST</a></tt><tt class="py-op">,</tt> <tt id="link-195" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-195', 'port', 'link-18');">port</a></tt><tt class="py-op">)</tt><tt class="py-op">,</tt> </tt>
<a name="L528"></a><tt class="py-lineno">528</tt>  <tt class="py-line">            <tt class="py-name">simple_server</tt><tt class="py-op">.</tt><tt class="py-name">WSGIRequestHandler</tt><tt class="py-op">,</tt> </tt>
<a name="L529"></a><tt class="py-lineno">529</tt>  <tt class="py-line">        <tt class="py-op">)</tt> </tt>
<a name="L530"></a><tt class="py-lineno">530</tt>  <tt class="py-line"> </tt>
<a name="L531"></a><tt class="py-lineno">531</tt>  <tt class="py-line">    <tt class="py-comment">#print "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA ", port</tt> </tt>
<a name="L532"></a><tt class="py-lineno">532</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L533"></a><tt class="py-lineno">533</tt>  <tt class="py-line">    <tt class="py-comment">#serve web forever</tt> </tt>
<a name="L534"></a><tt class="py-lineno">534</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-name">httpd</tt><tt class="py-op">.</tt><tt class="py-name">set_app</tt><tt class="py-op">(</tt><tt id="link-196" class="py-name" targets="Function wsgi_http.handle_database_app()=wsgi_http-module.html#handle_database_app"><a title="wsgi_http.handle_database_app" class="py-name" href="#" onclick="return doclink('link-196', 'handle_database_app', 'link-196');">handle_database_app</a></tt><tt class="py-op">)</tt>         </tt>
<a name="L535"></a><tt class="py-lineno">535</tt>  <tt class="py-line"> </tt>
<a name="L536"></a><tt class="py-lineno">536</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L537"></a><tt class="py-lineno">537</tt>  <tt class="py-line">        <tt class="py-keyword">print</tt> <tt class="py-string">'Use Control-C to exit'</tt> </tt>
<a name="L538"></a><tt class="py-lineno">538</tt>  <tt class="py-line">        <tt class="py-name">httpd</tt><tt class="py-op">.</tt><tt class="py-name">serve_forever</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L539"></a><tt class="py-lineno">539</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt class="py-name">KeyboardInterrupt</tt><tt class="py-op">:</tt> </tt>
<a name="L540"></a><tt class="py-lineno">540</tt>  <tt class="py-line">        <tt class="py-keyword">print</tt> <tt class="py-string">'Exiting'</tt> </tt>
</div><a name="L541"></a><tt class="py-lineno">541</tt>  <tt class="py-line"> </tt>
<a name="L542"></a><tt class="py-lineno">542</tt>  <tt class="py-line">     </tt>
<a name="L543"></a><tt class="py-lineno">543</tt>  <tt class="py-line"> </tt>
<a name="L544"></a><tt class="py-lineno">544</tt>  <tt class="py-line"><tt class="py-comment">## Initalization from command line</tt> </tt>
<a name="L545"></a><tt class="py-lineno">545</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L546"></a><tt class="py-lineno">546</tt>  <tt class="py-line"><tt class="py-keyword">if</tt> <tt class="py-name">__name__</tt> <tt class="py-op">==</tt> <tt class="py-string">"__main__"</tt><tt class="py-op">:</tt> </tt>
<a name="L547"></a><tt class="py-lineno">547</tt>  <tt class="py-line">    <tt class="py-keyword">try</tt><tt class="py-op">:</tt>                                 </tt>
<a name="L548"></a><tt class="py-lineno">548</tt>  <tt class="py-line">        <tt class="py-name">opts</tt><tt class="py-op">,</tt> <tt class="py-name">args</tt> <tt class="py-op">=</tt> <tt class="py-name">getopt</tt><tt class="py-op">.</tt><tt class="py-name">getopt</tt><tt class="py-op">(</tt><tt class="py-name">sys</tt><tt class="py-op">.</tt><tt class="py-name">argv</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">:</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-string">"hp:u:"</tt><tt class="py-op">,</tt> <tt class="py-op">[</tt><tt class="py-string">"help"</tt><tt class="py-op">,</tt> <tt class="py-string">"port="</tt><tt class="py-op">,</tt> <tt class="py-string">"utility="</tt><tt class="py-op">]</tt><tt class="py-op">)</tt>  </tt>
<a name="L549"></a><tt class="py-lineno">549</tt>  <tt class="py-line">    <tt class="py-keyword">except</tt> <tt class="py-name">getopt</tt><tt class="py-op">.</tt><tt class="py-name">GetoptError</tt><tt class="py-op">:</tt>            </tt>
<a name="L550"></a><tt class="py-lineno">550</tt>  <tt class="py-line">        <tt class="py-keyword">print</tt> <tt class="py-string">"AYDABTU parameters: --help --port [portnum] --utility [utilvalue]"</tt>     </tt>
<a name="L551"></a><tt class="py-lineno">551</tt>  <tt class="py-line">        <tt class="py-name">sys</tt><tt class="py-op">.</tt><tt class="py-name">exit</tt><tt class="py-op">(</tt><tt class="py-number">2</tt><tt class="py-op">)</tt>  </tt>
<a name="L552"></a><tt class="py-lineno">552</tt>  <tt class="py-line">         </tt>
<a name="L553"></a><tt class="py-lineno">553</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">opt</tt><tt class="py-op">,</tt> <tt class="py-name">arg</tt> <tt class="py-keyword">in</tt> <tt class="py-name">opts</tt><tt class="py-op">:</tt> </tt>
<a name="L554"></a><tt class="py-lineno">554</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">opt</tt> <tt class="py-keyword">in</tt> <tt class="py-op">(</tt><tt class="py-string">"-h"</tt><tt class="py-op">,</tt> <tt class="py-string">"--help"</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L555"></a><tt class="py-lineno">555</tt>  <tt class="py-line">            <tt class="py-keyword">print</tt> <tt class="py-string">"AYDABTU parameters: --help --port [portnum] --utility [utilvalue]"</tt> </tt>
<a name="L556"></a><tt class="py-lineno">556</tt>  <tt class="py-line">            <tt class="py-name">sys</tt><tt class="py-op">.</tt><tt class="py-name">exit</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L557"></a><tt class="py-lineno">557</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">opt</tt> <tt class="py-keyword">in</tt> <tt class="py-op">(</tt><tt class="py-string">"-p"</tt><tt class="py-op">,</tt> <tt class="py-string">"--port"</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L558"></a><tt class="py-lineno">558</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L559"></a><tt class="py-lineno">559</tt>  <tt class="py-line">                <tt id="link-197" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-197', 'port', 'link-18');">port</a></tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">arg</tt><tt class="py-op">)</tt> </tt>
<a name="L560"></a><tt class="py-lineno">560</tt>  <tt class="py-line">                <tt id="link-198" class="py-name"><a title="settings.DEFAULT_PORT
wsgi_http.DEFAULT_PORT" class="py-name" href="#" onclick="return doclink('link-198', 'DEFAULT_PORT', 'link-19');">DEFAULT_PORT</a></tt> <tt class="py-op">=</tt> <tt id="link-199" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-199', 'port', 'link-18');">port</a></tt> </tt>
<a name="L561"></a><tt class="py-lineno">561</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L562"></a><tt class="py-lineno">562</tt>  <tt class="py-line">                <tt class="py-keyword">print</tt> <tt class="py-string">"Port should be a numeric value"</tt> </tt>
<a name="L563"></a><tt class="py-lineno">563</tt>  <tt class="py-line">        <tt class="py-keyword">elif</tt> <tt class="py-name">opt</tt> <tt class="py-keyword">in</tt> <tt class="py-op">(</tt><tt class="py-string">"-u"</tt><tt class="py-op">,</tt> <tt class="py-string">"--utility"</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L564"></a><tt class="py-lineno">564</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L565"></a><tt class="py-lineno">565</tt>  <tt class="py-line">                <tt id="link-200" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-200', 'utility', 'link-20');">utility</a></tt> <tt class="py-op">=</tt> <tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">arg</tt><tt class="py-op">)</tt> </tt>
<a name="L566"></a><tt class="py-lineno">566</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt id="link-201" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-201', 'utility', 'link-20');">utility</a></tt> <tt class="py-op">==</tt> <tt class="py-number">100</tt><tt class="py-op">:</tt> </tt>
<a name="L567"></a><tt class="py-lineno">567</tt>  <tt class="py-line">                    <tt id="link-202" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-202', 'role', 'link-22');">role</a></tt> <tt class="py-op">=</tt> <tt class="py-string">"master"</tt> </tt>
<a name="L568"></a><tt class="py-lineno">568</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L569"></a><tt class="py-lineno">569</tt>  <tt class="py-line">                <tt class="py-keyword">print</tt> <tt class="py-string">"Utitlity should be numeric value"</tt> </tt>
<a name="L570"></a><tt class="py-lineno">570</tt>  <tt class="py-line"> </tt>
<a name="L571"></a><tt class="py-lineno">571</tt>  <tt class="py-line">    <tt id="link-203" class="py-name" targets="Function wsgi_http.start_node()=wsgi_http-module.html#start_node"><a title="wsgi_http.start_node" class="py-name" href="#" onclick="return doclink('link-203', 'start_node', 'link-203');">start_node</a></tt><tt class="py-op">(</tt><tt id="link-204" class="py-name"><a title="wsgi_http.utility" class="py-name" href="#" onclick="return doclink('link-204', 'utility', 'link-20');">utility</a></tt><tt class="py-op">,</tt> <tt id="link-205" class="py-name"><a title="wsgi_http.port" class="py-name" href="#" onclick="return doclink('link-205', 'port', 'link-18');">port</a></tt><tt class="py-op">,</tt> <tt id="link-206" class="py-name"><a title="wsgi_http.role" class="py-name" href="#" onclick="return doclink('link-206', 'role', 'link-22');">role</a></tt><tt class="py-op">)</tt> </tt>
<a name="L572"></a><tt class="py-lineno">572</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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